Question

there is a circular path atound a sports field. anu takes 21 minutes to drive one round of the field, while meenu takes 14 minutes for the same. suppose they both start at the same point and at the same time, and go in the same direction after how many minutes will they meet again at the starting point.

Answer 1

anu will repeat this position after 21 ...41...61...84
and menu repeats position after 14...28...42...56..70..84
so they will meet after 84 minutes