Which of the following is a pair of co-primes ?

A (16, 12)

B (18, 25)

C (21, 35)

D (23, 92)

Correct Answer: (18, 25)

H.C.F. of 18 and 25 is 1
So, they are co-primes

Bissoy MCQ Team

#Arithmetic Ability #Problems On H.C.F And L.C.M

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