ADRE 2.0, Assam Police, Pollution Board 2023 | Maths Class | HCF And LCM
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- เผยแพร่เมื่อ 19 ก.ย. 2024
- ADRE 2.0, Assam Police, Pollution Board 2023 | Maths Class | HCF And LCM, By Sabarna Sir, Our expert instructors will guide you through all the important math topics that are asked in the exam, in a simple and easy-to-understand way. You will learn everything you need to know to score high in the math section of the exam.
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117 is not prime number because, it is divisible by- 1,3,9,13,39
35:40 aitu vul ke krile, ans should be 60.
Step 1 - convert the decimals into fractions. i.e 25/10 , 12/10, 20/1, 75/10
Step 2 - convert the fractions into smaller one
(25/10 = 5/2)
(12/10 = 6/5)
(20/1 = 20/1)
(75/10= 15/2)
Step 3 - Use formula
= (LCM of 5,6,20,15)/ (HCF of 2,5,1,10)
= (60/1)
=60
So , correct answer is option a) 60.
(Pin the comment)
Yes u r correct but when u don’t convert the fraction into smaller one u will get the LCM 300 .
Correct answer 300
60 kenkoi ple
60 is the correct
Your second step is not correct. You should divide all the numbers by the same digit. You can't use too many digits
Gd session 🙌
Product of HCF and LCM 18 15... Ata ata koi hcf aru lcm uliyai puron koratkoi 2ta number sun puron kori easy te uliyabo para jabo sir
Question''r pattern sabo pari .ei. .sob short tricks logabole gole maar kham ami examot..
Que tu diya pasot projector tur honmukhor pora olop time karne atori dibo nhole que tu pohibo digdar hoi
H/w : 24 is the correct ans
Thanks sir
Q find the LCM 2.5,1.2,20&7.5 answer is 60
Bohut val lgise dei cls tu❤
117 is not a prime numbe,product of two co prime no =3 and 3*13(as 3 and 13 is prime no,but 39 is not so we write it 3*13)
so LCM of 3 and 3*13 (39) ,ans is 39
3x13=39 but multiple should be 117 so answer is 117
Aji first class sir bohut val lagil
Mojja
Thank you sir bohut bhal lagil❤❤❤
Thank you so much sir
H.W: 24
Find the LCM of 2.5,1.2,20 and 7.5 correct answer is 60
30 hoi
Yes vai 60 hoy
Hello! can you explain....
Right 60 hbo
Right ans 60 hbo
সুন্দৰ ভিডিঅ'
41.14 minutes...... answer is 39. Because 1 is not a prime number. 39*3=117. LCM is 39 and HCF is 3...
25,12,20 and 75 r lcm 300
Decimal question lcm- 60
1St apunar class saisu. Bhut Vl lagise ❤
117 is not a prime number because it is divisible by 3,13
He says product of two co-prime number i.e., co-prime+co-prime=117
You r wrong. LCM = 60
First class
Very good work
2.5,1.2,20,7.5 or LCM = 60
1 is not the prime number sir.
Dhoinnobad 👍
Sir apuni 5 lgt 25 ×krile kenekoi 75 hoi
Moja
117=9×13 ,
Then how 117 is a prime number?
He says product of two co-prime number i.e., co-prime+co-prime=117
Good
75 divide Five. Equal 15 not 25
Decimal question Answer should be 60
Sir❤
When rapper boy become a teacher😅
😊
Thank you sir, great class
1 is not a prime number sir...
Q.find the lcm of 2.5 1.2 20 and 7.5
Correct ans is ...60
How... Please explain
❤❤❤❤
Sir aponar bahut bhol hoy
If you don't know the concept of co-prime number then you shouldn't give wrong information.
Same
ji ti pohise bey dhet ... emn vhul nokore aru... 117 prime no. henu ... Sir'r 13 table mukhosto nai sage... n co prime defination'u vhul dise ... ane sai thakilu class tu
Mokkel tu a besi Khali felfelai thake ...prithibir vul Kori ase
2.5,1.2,20,7.5 LCM 60 ayega answer galt nhi hai apka tarika sir glt ho gya
Sir lst year Jo 4 grade main Aya tha ase type ki tho apne nhi krai
HW , Ans 24
70A3
24 ans
117 is not prime no it is disible no 3,39
ANS-24
Brother why answer is not 25??
1 is HCF and 5+12+7= 24 and HCF is 1
= 24+1=25???
A
apuni Arihant book khonor pora maths bilak koray ase , 😢 book khonot dhunikoi bujai diya ase, ✔️
How is 117 a prime no ?
It will be 70a³
Ans--24
Vai alp valke prha
Ans- 24😊😊😊😊
H/w_24
117 is not a prime number.
1 also is not a prime number
This is co prime number
First of all 2.5 , 1.2 , 20, and 7.5 k all decimals karibo lage ,
2.5, 1.2, 20.0, and 7.5
Then ignore the decimals
25,12,200,75 r LCM now 600 aahibo but 600 r pisot eta decimal Bohai dibo lagibo 60.0
So 60 habo LCM 🙏🙏
30 answer
Thanks Virat Kohli sir😂
Hcf 16
13×9 =117 is not prime number
Aap kitna speed ma bol rhe ho sir kuch samaj main nhi aa rha ,Abhijit sir k jaise padhaye na 😢
Hi
LCM is 117
1 isn't prime number
Decimel r lcm ans =60
117 prime number 😢
HW/ 12
B
LCM of 2.5, 1.2, 20 & 7.5 ans. is 60. Optiont vul nai. Apunar vul hoise.
5*25 korise
LCM+HCF = method hoi Thoko Like
Q. 5 to kra to right huwa nai apunar
10/ 6 10 / 96 100/12 tur answer tu vul fractiont di answer bilk kio decimal fractiont dile . Decimal fraction to nibo dia nai
HW ANSWER TU SIR 25 HE PAISU KENE DORE 24 BUJAI DINO SUN
Lcm tu vul 75 tu 5*15 hoy 25 not
Yaa 😢
SOME questions are from BED BOOK 2024 GYSSS😅😂
Recorded cls dile vl hoi ni..enei bht time odorkari k jaige cmnt Sai thkute
Sir 117 is not a prime Number
Yes 117 is not a prime number 13*9=117 so what is answer 😢
Ans - 24
24
ছাৰ ১ মৌলিক হয় নেকি আমি জানো ১ মৌলিক ও নহয় যৌগিক ও নহয়।
117 prime number buli tu moi najanu
hii
5×15=75 নে
5×25=75 ???????
Like share aibur kom koi kbo
60
Lcm..300 hoi
12
HW-24
ইমান time নাই নিজে কৰা
Apuni ki fal2 he, 2.5, 1.2, 20 , 7.5 r lcm 60 hoi, apuni keneke 300 pale, dubar ke check kora pist u emn xanghatik vul korise je, moiu maths gedha karone apunr video salu atiya nasau gom plu apunar nomuna dhuiii
Tur njer solve krute 5 minute lgse student rr dkhn 500 minute lgi jbo Anka hikha d lv ny
Moi aji ha saisu hikuchu kisu
Nohoy sir 60 hoy
Can you explain
6
1500❌ 60📌