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:
213 comments Page 17 of 22.

Afsa said:   1 decade ago
Some one help! What is the logic behind H. C. F?

Rocky said:   3 months ago
If any one number is prime, then HCF will be 1.
(5)

Titus said:   2 decades ago
That is true. Understanding is more important.

Suganthy said:   1 decade ago
Thanks for all who have explained the concept.

Magnus Udoka said:   7 years ago
Your explanation was superb, Thanks @Prashant.

Pabitra Saha said:   7 years ago
Very good explanation, Thanks @Kuldeep Sharma.

Lavan said:   1 decade ago
Why we have to take difference of two number?

Jyothi said:   8 years ago
Not getting it, can anyone please explain it?

Chary said:   8 years ago
Thanks for giving nice explanation @Prasanth.

Mandeep said:   1 decade ago
@Prashant.

P is not a dividend its divisor.


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