1.

A walks around a circular field at the rate of one round per hour while B runs around it at the rate of six rounds per hour. They start in the same direction from the same point at 7.30 a.m. They shal

Answer»

7.42 a.m.



Since A and B move in the same direction along the circle, so they will first meet each other when there is a difference of ONE round between the two.

Relative speed of A and B = 6 - 1 = 5 ROUNDS PER hour.

Time TAKEN to complete one round at this speed = 1/5 hr = 12 MIN.



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