A and B walk around a circular park. They start at 8 a.m. from the same point in the opposite directions. A and B walk at a speed of 2 rounds per hour and 3 rounds per hour respectively. How many times shall they cross each other after 8.00 a.m. and before 9.30. a.m. ?
A
7
B
6
C
5
D
8
Correct Answer: Option A
Explanation
This question is a straightforward application of relative speed, a concept familiar to any CSAT aspirant from previous years' papers. For instance, a 2014 que