Aptitude - Problems on H.C.F and L.C.M - Discussion

Discussion Forum : Problems on H.C.F and L.C.M - General Questions (Q.No. 1)
1.
Find the greatest number that will divide 43, 91 and 183 so as to leave the same remainder in each case.
4
7
9
13
Answer: Option
Explanation:

Required number = H.C.F. of (91 - 43), (183 - 91) and (183 - 43)

     = H.C.F. of 48, 92 and 140 = 4.

Discussion:
214 comments Page 16 of 22.

Ayesha said:   4 years ago
I am not understanding this. Please explain in detail.
(17)

Raj said:   2 decades ago
Why do we do the difference of number to each other?
(1)

Yuva kumar said:   2 decades ago
Dear Sir/madam please expain I could not understand.

JAYALALITHA said:   2 decades ago
WHY WE HAVE TO TAKE DIFFERENCE OF THOSE TWO NUMBERS

Rajendra said:   1 decade ago
Thanks prashant your explaination is really good...

Lakshmi said:   1 decade ago
I am not clear please explain the above explanation

Vandana said:   1 decade ago
But there is that that same remainder in each case.

Nic said:   5 years ago
Same remainder means? Please anyone explain for me.

T shyam sunder said:   1 decade ago
Why you had taken difference between this numbers?

Neeraj said:   1 decade ago
Why we take HCF? When one should take LCM and HCF.


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