If speed of 31/3 m/s is converted to km/h, then it would

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If speed of 3¹/₃ m/s is converted to km/h, then it would be

1. 8 km/h
2. 9 km/h
3. 10 km/h
4. 12 km/h

Correct Option: D

∵ 1 m/s = 18/5 km/h
∴ 3¹/₃ m/s = 10/3 m/s = (10/3) x (18/5) km/h
= 12 km/h