Question

There is a track with a length of 120 meters and 2 people, a & b, are running around it at 12 m/min and 20 m/min respectively in the same direction. At how many points will a and b meet?

Answer 1

First subtract the two speeds of a $ b

20-12 = 8

Now divide it by the length

120÷ 8= 15

So the they will meet at the 15th point