Ans is Camels can walk easily in the desert because of their wide feet. Their wide feet allow the weight of their body to act on a larger surface of land reducing the pressure exerted on the land by the camel. As we know, pressure exerted and area are inversely proportional.
in the first question: It is more difficult for the horse to walk in the sand because its feet are not broad as that of a camel. Which means less surface area, and pressure exerted on the sand is more hence the feet of the horse going inside the sand. Q-2) B 12.5:1 Hint to those who are solving: An elephant has 4 feet not 1.
No its 6.25:1 To compare the pressure exerted by the girl and the elephant, we can use the formula for pressure: Pressure (P) = Force (F) / Area (A) First, let's calculate the pressure exerted by the girl: Girl's weight (Force, F1) = 50 kgf Area of her sandals (Area, A1) = 1 cm² = 0.0001 m² (since 1 cm² = 0.0001 m²) Now, calculate the pressure exerted by the girl: Pressure by girl (P1) = F1 / A F1/A1 Pressure by girl = 50 kgf/0.0001 m² = 500,000 kgf/m² Now, let's calculate the pressure exerted by the elephant: Elephant's weight (Force, F2) = 2000 kgf Area of each elephant foot (Area, A2) = 250 cm² = 0.025 m² (since 1 cm² = 0.0001 m²) Now, calculate the pressure exerted by the elephant: Pressure by elephant (P2) = F2/A2 Pressure by elephant = 2000 kgf / 0.025 m² = 80,000 kgf/m² Comparing the two pressures: Pressure by girl (P1) = 500,000 kgf/m² Pressure by elephant (P2) = 80,000 kgf/m² 500000/80000=6.25/1
@vedaboiplaying2902 and @sunilporwal5474 you both are wrong it's 12.5:1 As I calculated and girl exerted 250,000(Pa) and elephant exerts 20,000(Pa) So it's 12.5 : 1
12:39 homework question answer (a) since the formula of pressure is f/a then the pressure exerted by the girl = 50/1 (applied force of 50 and area of 1) which is 50 pascals then pressure exerted by elephant = 2000/250 which is 200/25 which is 8 pascals ratio = 50:8 which can be represented as 50/8 which is 25/4 which can be written as 6.25:1
Bruther.....first of all SI Unit of pressure is Newton/msq and not Newton/cmsq so first you need to convert the cmsq into msq and then divide it by newtons.... second of all...the elephant has 4 legs and not 1 and the girl has 2 legs and not 1 so the answer would be 12.5:1
Hello sir thank you for this chapter and homework answer is :- 1. camels have broad feet than horse though which they can run easily while horses have solid feet so they sink easily in desert. 2. The ratio is 12.5 : 1 If there is any mistake please tell me sir 😅
11:24 Answer: the camels 🐫has large foot then horse 🐎 so they can walk on sand because the ptessure will be distributed on the sand but in the case of horse they have shor foot so they can stuck in the sand
Q1( b) 12.5 : 1 , Q2/ Ans The horse is unable to walk on the desert because it's feets have small area that exerts more pressure,but a camel walks easily on desert because it's feets are broad that increases area because of this pressure is low that is why camel walks easily in desert and not gets inside the sand .
Force and Pressure ❖ The force that acts on a surface in a direction perpendicular to it, is known as thrust. Pressure ❖ Thrust per unit area is called pressure. So, pressure = force/area on which it acts. ❖ Liquids exert pressure on the walls of the container in which they are kept. ❖ Gases exert pressure in all directions. Electrostatic Force ❖ A force exerted by a charged body on another charged or uncharged body is known as electrostatic force. ❖ Atmospheric pressure is defined as the pressure exerted on a surface by the weight of air above that surface. Atmospheric Pressure ❖ The pressure exerted by atmospheric air around us is known as atmospheric pressure. Contact Force ❖ A force that can be applied only when it is in contact with an object is called a contact force. For example, hammering a nail. Electrostatic Force ❖ When a charged body, either having a (+) or (-) charge, exerts force on another charged or uncharged body, that force is known as electrostatic force. Force ❖ Simply a push or pull exerted by an object on another is a force. Friction ❖ The force of friction always acts on all the moving objects and its direction is always opposite to the direction of motion. Gravitational Force ❖ The force exerted by the earth to pull the objects towards itself is called the force of gravity. Gravity ❖ Every object in the universe, whether small or large, exerts a force on every other object. This force is called the force of gravity or just gravity. Magnetic Force ❖ The force exerted by a magnet to pull/push a metallic object is called magnetic force. Muscular Force ❖ The force resulting due to the action of muscles is known as muscular force. For example, writing, cutting vegetables. Non-Contact Forces ❖ A force that can be applied without any contact between two objects is called non-contact force. For example, the magnet pulls the iron-pieces. Pressure ❖ The force acting on per unit area, applied to an object in the direction perpendicular to the surface is called pressure.
What you're solving for The ratio of pressure exerted by the girl to that by the elephant. What's given in the problem The girl weighs 50 N The girl wears pencil heels sandals each of area 1cm square The elephant weighs 2000N The elephant stands on foot each of area 250cm square How to solve Calculate the pressure exerted by the girl and the elephant, then divide the pressure exerted by the girl by the pressure exerted by the elephant. Step 1 Calculate the pressure exerted by the girl. Pressure =force upon area Pressure = 50 N upon 1cm square Pressure = 50N/cm square Step 2 Calculate the pressure exerted by the elephant. Pressure = Force upon Area Pressure = 2000N upon 250cm square Pressure = 8N/cm square Step 3 Divide the pressure exerted by the girl by the pressure exerted by the elephant. 50N/cm square upon 8N/cm square = 6.25 Solution The ratio of pressure exerted by the girl to that by the elephant is 6.25.
this is completely wrong. Read the question properly. The girl is wearing pencil heel sandals EACH of 1cm^2 area. So the total area will be 2cm^2. Hence pressure exerted by the girl will be 25 N/cm^2. The elephant stands on feet EACH of 250 cm^2. So the total area will be 1000cm^2 (because the elephant has 4 feet). Hence pressure exerted by the elephant will be 2 N/cm^2. ratio will be 25:2, or 12.5:1
BRO YOU ARE LIKE THE BEST TEACHER. I CANT UNDERSTAND HINDI AND THERE YOU ARE,EVEN THOUGH YOU TALKED A LITTLE BIT HINDI. BRO I UNDERSTOOD EVERYTHING THANK YOU,THANK YOU,THANK YOU,THANK YOU, THANK YOU X10000000000000
The correct answer of second question is 25 is to 1 because The elephant has four foots each is 250cmsquare for 4 ft it is 1000 CM Show the pressure of elephant is 2000 by 1000 which the pressure is 2. The girls pressure is 50 / 1 which is equals to 50 50 /2 which is equals to 25 is to 1
6:48 is the most funny he does not have hair ...😂 But i swear these are the best summary of the chapters my mam can literally not explain an chapter in 40 min but this channel can explain explain everything in just 20 to 30 mins ... A big thankies ✨🥺❤️🩹🫶
11:20 Because the camel has broader feet than of horse which increases area on sand due to which the preasure is decreased and it doesn't sink in it. Am I right?
11:19 because camel have wide feet means the area is more it's divided the pressure where as horse feet have less area means more pressure so, that's why camel can walk easily in desert than horse
It is difficult for a horse to walk in the desert than a camel because the area of the camal's feet is bigger than horse so pressure will be less in camals feet than horse and his feet will not sink in the sand and camal can walk comfortably on sand
We use camels rather than horses as horse have small feet and exert more Pressure on sand hence they can't be used in deserts as they can't move while horses have padded feet which allow them to exert less pressure on sand
it is because camels have padded and broad feet which decreases the pressure acting upon the surface of the feet of the camel and the sand present in the desert.
Camel walking easily on sand because the foot of the camel is wide os if the area is large so the pressure exerter would be less and this is why hose is not because the foot is small of horse so pressure is high 😊
Camels hooves have more area than the hooves of horses. So the pressure acts on the horse's hooves more than the camel's hooves, resulting in the sinking of the horse, making it difficult to walk
Ans to your Que. - Horse doesn't have much wider foot as compared to that of camels. Thus, horse experiences more pressure and can not walk properly with heavy loads on their back...
Ans is camel is having bigger feet than a horse which means the area of contact is more because the area of contact is more the pressure will be less. Horse's feet are smaller than that of a camel which means that area is less so pressure will be more thus the feet of the horse will go inside the sand
Camel is walk on the sand easily because the first reason I can say that they were say that there were camel those have habits to walk on the sand and the horse have habit on the land and the second and important reason that the camel have wide legs compare to the horse. 😊
It is difficult for a horse to walk in a dessert as compared to camel because foots of camels have big surface area than horse so the pressure of land will be less to it’s foot
Thank you thank you thank you thank you thank you thank you thank you thank you thank you thank you thank you thank you thank you thank you thank you thank you thank you thank you thank you thank you very much sir 🙏 way was I understand very well sir 😃😃😃😃😃😃😃😃😃😃😃😃😃😃😃😃😃😃😃😃😃😃😃😃😃
ans sir the camelhas large hooves which reduce the pressure but horse has small hooves which increse the pressure acted upon and the horse will sink down because the are is inversely propotional
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because camel foot area is more so pressure will be less whereas horse foot area is short thus pressure will be more and ques 2 answer will be b 12.5:1
weight(force) of the girl =50 N area = 1cm^2 = 0.0001m^2 pressure = 50/0.0001 = 500000 pascals weight(force) of the elephant = 2000 N area = 250cm^2 = 0.025m^2 pressure = 2000/0.025 = 80000 pascals Ans = 500000:80000 = 6.25:1
Ans is Camels can walk easily in the desert because of their wide feet. Their wide feet allow the weight of their body to act on a larger surface of land reducing the pressure exerted on the land by the camel. As we know, pressure exerted and area are inversely proportional.
in the first question:
It is more difficult for the horse to walk in the sand because its feet are not broad as that of a camel. Which means less surface area, and pressure exerted on the sand is more hence the feet of the horse going inside the sand.
Q-2) B 12.5:1
Hint to those who are solving: An elephant has 4 feet not 1.
It is 6.25:1
No its 6.25:1
To compare the pressure exerted by the girl and the elephant, we can use the formula for pressure:
Pressure (P) = Force (F) / Area (A)
First, let's calculate the pressure exerted by the girl:
Girl's weight (Force, F1) = 50 kgf Area of her sandals (Area, A1) = 1 cm² = 0.0001 m² (since 1 cm² = 0.0001 m²)
Now, calculate the pressure exerted by the girl:
Pressure by girl (P1) = F1 / A F1/A1 Pressure by girl = 50 kgf/0.0001 m² = 500,000 kgf/m²
Now, let's calculate the pressure exerted by the elephant:
Elephant's weight (Force, F2) = 2000 kgf Area of each elephant foot (Area, A2) = 250 cm² = 0.025 m² (since 1 cm² = 0.0001 m²)
Now, calculate the pressure exerted by the elephant:
Pressure by elephant (P2) = F2/A2 Pressure by elephant = 2000 kgf / 0.025 m² = 80,000 kgf/m²
Comparing the two pressures:
Pressure by girl (P1) = 500,000 kgf/m²
Pressure by elephant (P2) = 80,000 kgf/m²
500000/80000=6.25/1
@vedaboiplaying2902 and @sunilporwal5474 you both are wrong it's 12.5:1 As I calculated and girl exerted 250,000(Pa) and elephant exerts 20,000(Pa) So it's 12.5 : 1
hi byjus, please bring sst for class 8 also like this
THANKYOU SIR FOR BRINGING THIS SESSION FOR US!..
THIS CHAPTER IS COMING IN MY ANNUAL EXAMINATION ALSO!.... 😊😊
XXX you are
@@amarnathtiwari2538 xxx what is this
12:39 homework question answer (a) since the formula of pressure is f/a
then the pressure exerted by the girl = 50/1 (applied force of 50 and area of 1) which is 50 pascals
then pressure exerted by elephant = 2000/250 which is 200/25 which is 8 pascals
ratio = 50:8 which can be represented as 50/8 which is 25/4 which can be written as 6.25:1
Hey, the answer is 12.5 : 1
The elephant has 4 legs not 1
Bruther.....first of all SI Unit of pressure is Newton/msq and not Newton/cmsq
so first you need to convert the cmsq into msq and then divide it by newtons....
second of all...the elephant has 4 legs and not 1 and the girl has 2 legs and not 1 so the answer would be 12.5:1
my bad
@@randomguy-nx8rx u still exist over here????i thought no one would c my comment....lol
Wrong, you didn't convert the cm² to m². You must do that because the unit measurement of area is m²
Hello sir thank you for this chapter and homework answer is :-
1. camels have broad feet than horse though which they can run easily while horses have solid feet so they sink easily in desert.
2. The ratio is 12.5 : 1
If there is any mistake please tell me sir 😅
yes ans of second question is 6.25 : 1
No it's right
No the answer is 6.25:1❤
@@GeetaMishra-yc9kb Ok then explain
@GeetaMishra-yc9kb ✅✅✅✅✅✅✅✅✅ correct
VERY NICE SESSION I LIKE THESE TYPE OF SESSIONS MY EXAMS R FROM 28 FEB TO 11 MAR I ALSO WANT EXEMPLER QUESTION SIR THANK U SOOOO MUCH.....!
IT IS EASIER FOR A CAMEL TO MOVE ON SAND THAN HORSE BECAUSE CAMEL HAS BROAD FEET HENCE LARGE AREA SO PRESSURE EXERTED WILL BE LESS
11:24
Answer: the camels 🐫has large foot then horse 🐎 so they can walk on sand because the ptessure will be distributed on the sand but in the case of horse they have shor foot so they can stuck in the sand
Q1( b) 12.5 : 1 , Q2/ Ans The horse is unable to walk on the desert because it's feets have small area that exerts more pressure,but a camel walks easily on desert because it's feets are
broad that increases area because of this pressure is low that is why camel walks easily in desert and not gets inside the sand .
Force and Pressure
❖ The force that acts on a surface in a direction perpendicular to it, is known as thrust.
Pressure
❖ Thrust per unit area is called pressure. So, pressure = force/area on which it acts.
❖ Liquids exert pressure on the walls of the container in which they are kept.
❖ Gases exert pressure in all directions.
Electrostatic Force
❖ A force exerted by a charged body on another charged or uncharged body is known as electrostatic force.
❖ Atmospheric pressure is defined as the pressure exerted on a surface by the weight of air above that surface.
Atmospheric Pressure
❖ The pressure exerted by atmospheric air around us is known as atmospheric pressure.
Contact Force
❖ A force that can be applied only when it is in contact with an object is called a contact force. For example,
hammering a nail.
Electrostatic Force
❖ When a charged body, either having a (+) or (-) charge, exerts force on another charged or uncharged body, that
force is known as electrostatic force.
Force
❖ Simply a push or pull exerted by an object on another is a force.
Friction
❖ The force of friction always acts on all the moving objects and its direction is always opposite to the direction of
motion.
Gravitational Force
❖ The force exerted by the earth to pull the objects towards itself is called the force of gravity.
Gravity
❖ Every object in the universe, whether small or large, exerts a force on every other object. This force is called the
force of gravity or just gravity.
Magnetic Force
❖ The force exerted by a magnet to pull/push a metallic object is called magnetic force.
Muscular Force
❖ The force resulting due to the action of muscles is known as muscular force. For example, writing, cutting
vegetables.
Non-Contact Forces
❖ A force that can be applied without any contact between two objects is called non-contact force. For example,
the magnet pulls the iron-pieces.
Pressure
❖ The force acting on per unit area, applied to an object in the direction perpendicular to the surface is called
pressure.
Full essay 😂
6:51 epic scene.......🤌🏻😅
What you're solving for The ratio of pressure exerted by the girl to that by the elephant.
What's given in the problem
The girl weighs 50 N
The girl wears pencil heels sandals each of area 1cm square
The elephant weighs 2000N
The elephant stands on foot each of area 250cm square
How to solve
Calculate the pressure exerted by the girl and the elephant, then divide the pressure exerted by the girl by the pressure exerted by the elephant.
Step 1
Calculate the pressure exerted by the girl.
Pressure =force upon area
Pressure = 50 N upon 1cm square
Pressure = 50N/cm square
Step 2
Calculate the pressure exerted by the elephant.
Pressure = Force upon Area
Pressure = 2000N upon 250cm square
Pressure = 8N/cm square
Step 3
Divide the pressure exerted by the girl by the pressure exerted by the elephant.
50N/cm square upon 8N/cm square = 6.25
Solution The ratio of pressure exerted by the girl to that by the elephant is 6.25.
this is completely wrong. Read the question properly. The girl is wearing pencil heel sandals EACH of 1cm^2 area. So the total area will be 2cm^2. Hence pressure exerted by the girl will be 25 N/cm^2. The elephant stands on feet EACH of 250 cm^2. So the total area will be 1000cm^2 (because the elephant has 4 feet). Hence pressure exerted by the elephant will be 2 N/cm^2.
ratio will be 25:2, or 12.5:1
Bro both are wrong firstly we have to convert cm² into m²
@@SarojBala-p4d that’s not needed.
Ya
Not necessary as pressure is force upon area and is independent of the units thus even if we ta ke m2 instead the ans will be the same
BRO YOU ARE LIKE THE BEST TEACHER. I CANT UNDERSTAND HINDI AND THERE YOU ARE,EVEN THOUGH YOU TALKED A LITTLE BIT HINDI. BRO I UNDERSTOOD EVERYTHING THANK YOU,THANK YOU,THANK YOU,THANK YOU, THANK YOU X10000000000000
The correct answer of second question is 25 is to 1 because
The elephant has four foots each is 250cmsquare for 4 ft it is 1000 CM
Show the pressure of elephant is 2000 by 1000 which the pressure is 2.
The girls pressure is 50 / 1 which is equals to 50
50 /2 which is equals to 25 is to 1
U have to convert cm² to m²
6:48 is the most funny he does not have hair ...😂 But i swear these are the best summary of the chapters my mam can literally not explain an chapter in 40 min but this channel can explain explain everything in just 20 to 30 mins ... A big thankies ✨🥺❤️🩹🫶
11:20 Because the camel has broader feet than of horse which increases area on sand due to which the preasure is decreased and it doesn't sink in it.
Am I right?
11:19 because camel have wide feet means the area is more it's divided the pressure where as horse feet have less area means more pressure so, that's why camel can walk easily in desert than horse
11:24 😂
28 March se kis kis ke tension start ho Rahi h RBSC Wale best of luck
My tension❤❤❤
Sir resultant force and net force both are same??
Hi 2nd comment
Byjus you are just wonderful you help a lot of young learners on this platform 🤠 hats of to you ❤🔥🔥
Homework question answer
Option a 6.25:1
Solution -
Pressure = trust
------------
Area
Case 1
Girl- trust = 50N
Area = 1cm2
Case - 2
Elephant - trust 2000N
Area - 250cm2
= 8
.
. . 50
-------
8
= 6.25:1 ans
it is 12.5/2 because girl has 2 legs and elephanthas 4 not 1
Because horse legs are so short but camel legs are so much longer than horse and in deserts attract the people in the soil
It is difficult for a horse to walk in the desert than a camel because the area of the camal's feet is bigger than horse so pressure will be less in camals feet than horse and his feet will not sink in the sand and camal can walk comfortably on sand
We use camels rather than horses as horse have small feet and exert more Pressure on sand hence they can't be used in deserts as they can't move while horses have padded feet which allow them to exert less pressure on sand
it is because camels have padded and broad feet which decreases the pressure acting upon the surface of the feet of the camel and the sand present in the desert.
3rd comment...and excited for this class...❤
Hii princess
One like for our SIR
👇
I liked my own comment 😂😂
Camel walking easily on sand because the foot of the camel is wide os if the area is large so the pressure exerter would be less and this is why hose is not because the foot is small of horse so pressure is high 😊
5:17interection ies there?
*is
*is
Camels hooves have more area than the hooves of horses. So the pressure acts on the horse's hooves more than the camel's hooves, resulting in the sinking of the horse, making it difficult to walk
In the topic of muscular force on 4:26 sir showing his body💪🏻 😂😂
Ans to your Que. - Horse doesn't have much wider foot as compared to that of camels. Thus, horse experiences more pressure and can not walk properly with heavy loads on their back...
3:50 sir if the bottle is made up of steel when 😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂🎉😂🎉🎉😅😂😅😂😅😂😅😅😅😅😅
10:35 who is ravi sir?😂
Sir said "abhi" not "Ravi" ❤
Ans is camel is having bigger feet than a horse which means the area of contact is more because the area of contact is more the pressure will be less. Horse's feet are smaller than that of a camel which means that area is less so pressure will be more thus the feet of the horse will go inside the sand
Sir aapne exam ka tension choor choor kardiya😅😅🎉🎉🎉❤❤😊😊😊
Camel is walk on the sand easily because the first reason I can say that they were say that there were camel those have habits to walk on the sand and the horse have habit on the land and the second and important reason that the camel have wide legs compare to the horse. 😊
Thank you so much sir tomorrow is my exam and it will definitely help me alot 💗✨🥹
Yes 9:35 9:38 9:39 9:40
Sir the horse 🐎 legs area is having less area which goes inside the sand and presure is high and the camels🐫 have big foot which have less pressure
TH-cam per subscribe nahi hai mere why?
Please answer the my question ❓
becaus ecamels have broader feet than horse tus area of contact is more so pressure is less thus they can walk easily without sinking
It is difficult for a horse to walk in a dessert as compared to camel because foots of camels have big surface area than horse so the pressure of land will be less to it’s foot
But good class.. Sir i liked it🎉
Thank you thank you thank you thank you thank you thank you thank you thank you thank you thank you thank you thank you thank you thank you thank you thank you thank you thank you thank you thank you very much sir 🙏 way was I understand very well sir 😃😃😃😃😃😃😃😃😃😃😃😃😃😃😃😃😃😃😃😃😃😃😃😃😃
Horse faces problem in walking on sand because it's hooves are not wide . In case of camel it vice versa.
ans sir the camelhas large hooves which reduce the pressure but horse has small hooves which increse the pressure acted upon and the horse will sink down because the are is inversely propotional
I still watching this video more than 2 time
Keep it up bro 😂😂
@@RouhanKhan-rf7cp thanks
Please tell me the correct answer of elephant and pencil related question .
20:57 😊😊 hi
Bro said under 30 min but finished in 20 min
Ans for the question is 6.25:1 (a)
Shi hai bhai
Agar tum hindi me nahi bol rahe ho to ham isse accha dusri english ki hi video dekhle
Tum yeh english bol kar show off mat karo sikhane aaye ho to dhang se sikhaao
Isiliye views nahi aate 💀
bhai school ja kar padh na phir
Bhai sidha sidha Bol tujhe English nhi aa rhi 💀
@@lolaeditsss4140 frf4
12:30 answer a)6.25:1
Bcz the camels have large and flat feet so the area is larger and force is smaller so it does not sink in the sand
12:19 Homework question :
The 1cm'2 will be 2cm
50/2=25
So,only one option have 25 ,simple logic option (D)
😂
Thanks sir the video was really helpful 😊
Video starts at 1:19
0:03 ❤
Sir can you please make video for class 9th 🙏
Force:pull and push
19:03
WHY😊
❤❤
15:27 honey will not flow it is too thick
Sir pressure and area are invesly proportional
Hi I'm Stefina could you give a shot revision of chapter force and pressure in 20min
Thankyou sir for today's session
1:22 starts video
11:14 we use horses
Sir very good 😊
sir can you tell me how to grow hairs like you ?👽👽 thank you
Please sir can you tell me about what the business coach is going on now
1:47 💀💀
Fr i thought i was the only person who was thinking dirty in the whole video......
wonderful!
Camel has long padded feet so the area is higher and pressure is lower
Homework question- Ans 12.5:1
Where is discription box
6:52 😂😂
It's best 30 minute revision
homework answer : 6.25: 1
Thank you sir 😊
Thurst force ka example apple falling on ground
12.49 answer 👉6.25:1❤
U r ryt
Please aap log sir ko support kare bahut mahnet le video bana hare hai.
Nice explanation sir
Ans = 6.25:2
Thrust and force one and the same .Yes or no
1st comment ❤❤
because camel foot area is more so pressure will be less whereas horse foot area is short thus pressure will be more and ques 2 answer will be b 12.5:1
And i can't see any worksheets... 😑
The feet of the horse are small which causes more pressure while the horse is loaded whereas the camel leg has more surface are causes less pressure.
weight(force) of the girl =50 N
area = 1cm^2 = 0.0001m^2
pressure = 50/0.0001 = 500000 pascals
weight(force) of the elephant = 2000 N
area = 250cm^2 = 0.025m^2
pressure = 2000/0.025 = 80000 pascals
Ans = 500000:80000
= 6.25:1
HW Q
Ans. Is option A = 6.25 : 1
Please sir class -8 complete science syllabus revision
6:53 I'm not doing it because ☠
😂 8:21 😂
A) 6.25:1
Wrong
12:52 d
Sosc form fill Kiya tha kya
B is the answer of homework question
6: 45 sir but app ke toh baal hi nhi hai 🗿🗿