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Ram swims in a pool that is 95 m long. He swims from one end to the other and back, covering 190 m in one minute. Find his average speed.
A2.05 ms⁻¹
B3.17 ms⁻¹
C3.10 ms⁻¹
D2.00 ms⁻¹
Answer & Solution
Correct answer: B. 3.17 ms⁻¹
1. Total distance = 190 m.
2. Total time = 1 minute = 60 s.
3. Average speed = 190 / 60 = 3.17 ms⁻¹.
_Source: RRB Group D CEN-02/2018 PYQ, Q.51._