Seema walks around a circular field at the rate of 3 rounds per hour, while Priya runs around it at the rate of 8 rounds per hour. They start in the same direction from the same point at 11:54 p.m. They shall first cross each other at:
Show answer & explanation
Correct answer: C
Explanation
The corret answer is option 3 i.e. 12:06 a.m.
Relative speed of Seema and Priya = 8 - 3 = 5 rounds per hour
Since their relative speed is 5 rounds per hour, it will take them 1/5 hour to meet.
1/5 hour = 12 minutes
11:54 p.m. + 12 minutes = 12:06 a.m.