Question

Two friends A and B simultaneously start running around a circular track . They run in the same direction. A travels at 6 m/s and B runs at b m/s. If they cross each other at exactly two points on the circular track and b is a natural number less than 30, how many values can b take?
3
4
7
5

Answer 1

i think 5 but it's just a guess

Answer 2

5

it may help you......