Kiran swims in a 90 m long pool. He covers 360 m in two minutes by swimming from one end to the other and back along the same straight path. twice. Find the average speed of Kiran.

Options

A. `4 ms^(-1)`
B. `6 ms^(-1)`
C. `3 ms^(-1)`
D. `5 ms^(-1)`

Answer

C