which of the following is a pair of co primes a.42,20 b.27,72 c.35,37 d. none of these.
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Step-by-step explanation:
D) none of these
because in a 42 is divisible by 2
in b 27 is divisible by 3
in c 35 is divisible by 5
co prime are two numbers which are only divisible by itself and 1
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