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In that I will help you Anil bhai# 5 year experience in govt job cleared multiple times but didn't get clear final cutoff...now preparing for it sectors.
For those getting confused about the denominators, they are that way after taking LCM of the denominators prior to the calculation, eg. LCM(12,15) = 60 and then since 12 * 5 = 60, 15 * 4 = 60 we see, (5 + 4)/60. As for those who don't understand subtraction with 1, remember fractions range from 0 to 1, 0 being lowest and 1 being maximum. So if you subtract any fraction with 1, you get the remaining fraction. That's why if B worked for 23 days = 23/40 then the days B didn't work alone/remaining days = 1 - 23/40 = 17/40.
With all due respect mam, your work have made me understand the topics clearly...it was so clear that I doubt is this really the type of questions which exam will ask? If so why can't most people crack the first round? I don't mean to offend anyone, this is for personal knoledgle and enquiry
All of this is taught in 9-10th grade maths. Our indian education system is built in such a way that even if students know all this they forget it after their exams
Practice and competition makes the difference. You need to be in practice to solve even an easy problem in exam condition. Second, if you are slow in solving compared to others, you will get less marks.
Its because if you are in IT or CSE aptitude is simply trash and not required . Nobody wants or cares to study about it and only on-campus sbc's would ask those unfortunately. Most in IT CSE dont care or dont wanna do math , its not required and is exhausting
An exam was conducted and the following was analyzed. 4 men were able to check some exam papers in 8 days working 5 hours regularly. What is the total number of hours taken by 2 men in 20 days to check double the number of exam papers?
This problem can be solved using the formulae No. of men * No. of days * No. of hours = Total Work In the first part of the problem, we are given that 4 men were able to check papers in 8 days working 5 hours regularly. We can use this information to find the total work done by the 4 men: 4 * 8 * 5 = 160 units of work Now, we need to find out how long it would take 2 men to check double the number of papers in 20 days. Let's call the number of papers checked by 4 men in 8 days "x". Double this amount is 2x. Therefore, we need to find the number of hours it would take 2 men to check 2x papers in 20 days. Using the formula, we can set up the equation: 2 * 20 * h = 2x where "h" is the number of hours it takes 2 men to check 2x papers in 20 days. We can simplify this equation by dividing both sides by 2: 20 * h = x Now, we need to find the value of "h". We can use the total work done by the 4 men to find the value of "x". Since we know that the 4 men checked x papers in 8 days working 5 hours regularly, we can set up the equation: 4 * 8 * 5 = x Simplifying this equation, we get: x = 160 units of work Now, we can substitute this value of "x" into the equation we derived earlier: 20 * h = 160 Solving for "h", we get: h = 8 Therefore, it would take 2 men working for 20 days, 8 hours per day to check double the number of papers checked by 4 men in 8 days working 5 hours regularly. In conclusion, we can solve this problem using formula No. of men * No. of days * No. of hours = Total Work. By setting up equations using this formula and the given information, we can find the number of hours it would take 2 men to check double the number of papers checked by 4 men in a certain amount of time. In this case, we found that it would take 2 men working for 20 days, 8 hours per day to check double the number of papers checked by 4 men in 8 days working 5 hours regularly.@@sarangmore9860
Work done by A in 1 day =1/10 Work done by B in 1 day =1/15 Work done by A and B in 1 day =1/10+ 1/15 =25/150 Working together they will complete the work in 150/25 =6 days
you can also do this in the following way as as we know the total work done is 1 then one day productivity of both a and b is :- 1/45 + 1/40 so the value is 17/360 and they did work for n days we know that b does the remaining work in 23 days and the productivity is 23x1/40 so next we want to know the remaning work that is done by both a and b so the simple formulae would be lets consider a and b did work for n days n x (17/360) + 23 x (1/40) = 1 17n/360 + 23/45 = 1 17n/360 = 1 - (23/40) 17n/360 = 17/40 so n will be 9 by this formulae
Hey Mate, its simple just think of A,B,C as variables representing the fractions, for calculating A + B + C , we add [(A+B)(B+C)(C+A)]=2A+2B+2C or 2(A+B+C), the corresponding fraction part would be done or right hand side of equal to, Now we got 2(A+B+C), so we take the 2 to the right and divide the fraction by 2, Hence we got the solution for A+B+C! HOPE YPU UNDERSTOOD!
Everyone wants to learn apti but it is purely in hindi when it comes education why can't you guys make it in English it will useful right everyone can utilise it
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In that I will help you Anil bhai# 5 year experience in govt job cleared multiple times but didn't get clear final cutoff...now preparing for it sectors.
For those getting confused about the denominators, they are that way after taking LCM of the denominators prior to the calculation, eg. LCM(12,15) = 60 and then since 12 * 5 = 60, 15 * 4 = 60 we see, (5 + 4)/60.
As for those who don't understand subtraction with 1, remember fractions range from 0 to 1, 0 being lowest and 1 being maximum. So if you subtract any fraction with 1, you get the remaining fraction. That's why if B worked for 23 days = 23/40 then the days B didn't work alone/remaining days = 1 - 23/40 = 17/40.
Thanks a lot I couldn't understand it as it was very confusing for me
Damnnn brooo u explained it so easily. Is there any other way i can contact you or anything so that u can solve any other doubts that i have😭😭
Calculation is not clear kindly explain in detail
With all due respect mam, your work have made me understand the topics clearly...it was so clear that I doubt is this really the type of questions which exam will ask? If so why can't most people crack the first round? I don't mean to offend anyone, this is for personal knoledgle and enquiry
All of this is taught in 9-10th grade maths. Our indian education system is built in such a way that even if students know all this they forget it after their exams
Practice and competition makes the difference. You need to be in practice to solve even an easy problem in exam condition. Second, if you are slow in solving compared to others, you will get less marks.
Its because if you are in IT or CSE aptitude is simply trash and not required . Nobody wants or cares to study about it and only on-campus sbc's would ask those unfortunately. Most in IT CSE dont care or dont wanna do math , its not required and is exhausting
Q 3 please explain ma'am 18+24+36. 4+3+2 how i didn't understand
I have subscribed your channel for my campus placements, very helpful videos
Didi aa please jo calculations kar rhe ho, uska explanation bhi diya karo. Aise samjhaoge toh kya hi samjhega
School ke math ke bhi explanations chahiye ab
exactly
@@Om-id1qr tu hoga koi school ka topper...hum thodi na hai tere jaise🥱
@@rao151question 4 me 1 - 23/40 kyu kra
My problem is quantitative aptitude 😢, logical and verbal toh hoi jayega......now I'm happy that i got ur video,thanku ma'am ❤
Most welcome 😊
Bhut Acha pdhate Didi bhut Dhanbad aapko 🫡
Simple Explanation of every topic.thank you mam for this amazing series of aptitude.
I can't stop myself to comment on this video, rally nice explanation dii. amazing series
madm ji apke content ne toh katai dil jeet liya
Didi bhaut badiya 👍 best video in placemnet i have seacred in yt . For less time . As I am in my last year .
Thanks a bunch didi 🙏
Ma'am your teaching style is amazing......
Please complete this series ❤
your playlist is good , just make any videos or playlist where only questions practice is to be done, good questions practice.
Legend comes before one day examination
calculation is not a clear explanation. I dont understand full calculation methods..........😩🤔🤔🤔🤔🤔🤔🤔🤔🤔🤔🤔🤔🤔🤔🤔🤔🤔🤔🤔
easy cal to he
I found always best channel nfor learning❤💯💯
Happy to hear that!
Maam time or work me hame B ko 23×1/40 karke usme se , -1 ? kyu karna hai ......
23/40 kaam toh sirf b ne kra na , and ham total work ko 1 lete h so -1 kiya
@@vysh_thanks 🙏
Thank you so much mam wonderful explanation
thanks mam you taught the concept efficiently in less time
Great explanation...
Thanks a lot mam ❤️
Can you explain the 2 nd question in practice questions.?
When solving both case problem it not compulsory to take 1/12... Right 12 unit it's easy
An exam was conducted and the following was analyzed. 4 men were able to check some exam papers in 8 days working 5 hours regularly. What is the total number of hours taken by 2 men in 20 days to check double the number of exam papers?
8 hours
Can you please add solution also, thanks,👍
@@CosmoBotics here the output is same so the formula is something like this, 2*(N1*D1*H1) = N2*D2*H2
@@hi-tk4hucan you elaborate more ?
This problem can be solved using the formulae
No. of men * No. of days * No. of hours = Total Work
In the first part of the problem, we are given that 4 men were able to check papers in 8 days working 5 hours regularly. We can use this information to find the total work done by the 4 men:
4 * 8 * 5 = 160 units of work
Now, we need to find out how long it would take 2 men to check double the number of papers in 20 days. Let's call the number of papers checked by 4 men in 8 days "x". Double this amount is 2x. Therefore, we need to find the number of hours it would take 2 men to check 2x papers in 20 days.
Using the formula, we can set up the equation:
2 * 20 * h = 2x
where "h" is the number of hours it takes 2 men to check 2x papers in 20 days.
We can simplify this equation by dividing both sides by 2:
20 * h = x
Now, we need to find the value of "h". We can use the total work done by the 4 men to find the value of "x". Since we know that the 4 men checked x papers in 8 days working 5 hours regularly, we can set up the equation:
4 * 8 * 5 = x
Simplifying this equation, we get:
x = 160 units of work
Now, we can substitute this value of "x" into the equation we derived earlier:
20 * h = 160
Solving for "h", we get:
h = 8
Therefore, it would take 2 men working for 20 days, 8 hours per day to check double the number of papers checked by 4 men in 8 days working 5 hours regularly.
In conclusion, we can solve this problem using formula No. of men * No. of days * No. of hours = Total Work. By setting up equations using this formula and the given information, we can find the number of hours it would take 2 men to check double the number of papers checked by 4 men in a certain amount of time. In this case, we found that it would take 2 men working for 20 days, 8 hours per day to check double the number of papers checked by 4 men in 8 days working 5 hours regularly.@@sarangmore9860
You made all quants topics easy to understand and cleared all my doubts. Thank you!❤
jimmy jimmy cocoa puff
very nice explaination mam
helped a lot,built confidence
you are doing great job didi keep it up 💯💯💯
It's amazing explanations
Thank you mam
Work done by A in 1 day
=1/10
Work done by B in 1 day
=1/15
Work done by A and B in 1 day
=1/10+ 1/15
=25/150
Working together they will complete the work in
150/25
=6 days
In question 4 can u explain this part 1-23/40 why b’s work is subtracted from 1 to get a and b’s together work
you can also do this in the following way as
as we know the total work done is 1 then
one day productivity of both a and b is :- 1/45 + 1/40 so the value is 17/360 and they did work for n days
we know that b does the remaining work in 23 days and the productivity is 23x1/40
so next we want to know the remaning work that is done by both a and b
so the simple formulae would be
lets consider a and b did work for n days
n x (17/360) + 23 x (1/40) = 1
17n/360 + 23/45 = 1
17n/360 = 1 - (23/40)
17n/360 = 17/40
so n will be 9 by this formulae
Doubt
Question no. 4 in the description docs
Pls share the solution
Didi Q4 ka lcm wrong h, time: 9:22
Mam ye fraction itne easily konse trick se kar rahe ho
Genius 🙌 nicely explained
Aap kaise waise short cut me simplification kardete ho samjh hi nahi aata hai kuch
Yes pura calculation batao
hello chhoti bachi ho kya
great explanation ma'am
too helpful Thank You🥰
Please sir make full playlist of videos 👍 It's very helpful to us.🙏
very nice thank you so much akhil sir and mam
In the discription question no 2 I think the answer is 27 not 30
thank u ma'am, ur videos are literally good ❤
thanks for the series
very useful video 👍
Very well explained!🙌
Are you in fb?
Qns no 4, ka explanation thoda samajh nahi aaya, but sunke achha laga.
Thanks a lot
Thanku ma'am for your better explanation 🙏
It's my pleasure
Madam sab thik h par direct calculation is not fair hum itne tez hote toh video nhi dekh rhe hote pls clarify this😐
Fraction kaise nikala vo smjhavo pahle dairect answer bolne kisi ko bhi ata hai.
Graduate hone ja rhe ho ye sb 5 cls m sikhate h ye trick video h
Kya yaar ak bhi question sachi se nahi samjtha he, kaha se kya aiya kuch bhi nahi bultha
koi faltu baat nahi ki mam aapne sirf padaya thanks mam like kar di video aapne kha bhi nahi
I didn't understood how you got 5+4??
yes i also not getting
Can anyone explain question no. 4 why work is minus from 1?
If you know probability there always a thing.. chances of true + chances of false is equal to 1.
That's the reason here the Work of A and B is 1.
@@yogeshpandey578
Can you share information about aptitude studies? I hope you have prepared something on this
Can someone please tell if the aptitude round will be asked orally or as written test?
By written
The first question answer is 9/20 right?
this was helpful ; Thanks
If anyone did the practice questions can someoneexplain the third one
Hey Mate, its simple just think of A,B,C as variables representing the fractions,
for calculating A + B + C , we add [(A+B)(B+C)(C+A)]=2A+2B+2C or 2(A+B+C),
the corresponding fraction part would be done or right hand side of equal to,
Now we got 2(A+B+C), so we take the 2 to the right and divide the fraction by 2,
Hence we got the solution for A+B+C!
HOPE YPU UNDERSTOOD!
That's really helpful for me 😊😊😊 thanks
Give step by step answer for practice questions also
jitne bacche calulation ko kehre hai unse ab LCM bhi nhi nikala jara
itna basic maths to koi bhi kr skta hai
Thank you for making it simple
very helpful maam thank you
In que 4 you wrote (1-23*1/40) ow it is 1/40?
Didn't understood 4th question properly.
Great
Mam you taught it very easy to undertand thanks mam
Mam write neatlee
Please ma'am
OS and DBMS or computer network ke video bhi upload karo
10:53 ko 1 minus kyu Kiya ?
Please complete this series.
Thankyou sister🙏
Why did you subtracted 1 from 23*1/40
At 10:59
same doubt
Could please teach in English also
thanks a lot ma'am radhe radhe
Nicely explained 😄😄
shayad Qs 4 ka answer 9 nhi , 18 ya 20 days ke around aa raha hai , can anybody please verify.
mam question no.4 samjh nhi aayi nd mam can u explain deeply ?
i also have doubt in 4th question
Great explanation 🎉 madam
It's my pleasure
Good explanation👏🏻👌🏻
Nice 🤩
Hiii
In Q4 why did u subtract it from 1
At question no 4 y did u subtract that number by 1?
yes .. same doubt ?
Thankyou ma'am 🙏☺️
Superb ❤
TQ Di
Thank you so much mam..
Mam is this will be helpful for msc entrance exam
Mam this same methed you solve using triks example 1/18+1/24+1/36 you solve directly but i am not able to understand this is
Yeh bro I'm also... please Can anyone tell us how is it...
7:00
Thanks ma'am
nice explanation man
thank you ma'am
Everyone wants to learn apti but it is purely in hindi when it comes education why can't you guys make it in English it will useful right everyone can utilise it
1/12 - 1/30 = 5-2/60 how?
May you upload the pdf of these questions?
Awesome explanation 👌💯
(1-23*1/40)=17/40.....how any one explain
I tried to see your video but everything in Hindi ....it could be better to speak in english so that everyone will get to know
Very well explained ✨
Maam in first question u said A and B -> 1/12 + 1/15 which means 4+5/60 -> 9/60 -> 3/20
is it right ?