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46. A boy is cycling such that the the wheels of the cycle making 140 revolutions per minute. If the diameter of the wheels is 60 cm,then find the speed per hour which the boy is cycling. |
| Answer» 46. A boy is cycling such that the the wheels of the cycle making 140 revolutions per minute. If the diameter of the wheels is 60 cm,then find the speed per hour which the boy is cycling. | |