ABC26GN0463 · H.C.F. and L.C.M. of Numbers

Subject: General Aptitude · Chapter: H.C.F. and L.C.M. of Numbers · Exam: · Marks: · Difficulty:

Which of the following is a pair of co-primes?
(a)$(16,62)$
(b)$(18,25)$
(c)$(21,35)$
(d)$(23,92)$
Answer
Answer (as printed): B
Explanation
H.C.F. of 18 and 25 is 1. So, they are co-primes.

Explanation as extracted from the printed page; notation may be imperfect.

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