Two planes move along a circle of circumference 1.2 kms with constant speeds. Wh

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Two planes move along a circle of circumference 1.2 kms with constant speeds. When they move in different directions, they meet every 15 seconds and when they move in the same direction one plane overtakes the other every 60 seconds. The speed of the slower plane is :

Options:

A . 0.02 km/sec

B . 0.03 km/sec

C . 0.04 km/sec

D . 0.05 km/sec

Answer: Option B

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