Question 30

Which of the following pairs are co-primes?

Solution

In number theory, two integers a and b are said to be relatively prime, mutually prime, or coprime if the only positive integer (factor) that divides both of them is 1.

Out of the 4 options above, only 59, 97 are co primes as only 1 divides both of them.

Option A is correct.

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RRB Group-D 20th Sep 2018-shift -2

Which of the following pairs are co-primes?

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