If m and n are positive integers, and m=2n and k=5m, then -

If m and n are positive integers, and m=2n and k=5m, then -

Quiz

Answer/Solution

m/2 is a factor of k.

Steps/Work

m=2n --> m is even.
k=5m --> m is factor of k, thus m/2 = integer must also be a factor of k.
Answer: C.