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1. |
Diameter of a wheel is 3 cm. The wheel revolves 28 times in a minute. To cover 5.280 km distance, the wheel will take (Take = 22/7) : |
A. | 10 minutes |
B. | |
C. | 20 minutes |
D. | 30 minutes |
E. | 40 minutes |
Answer» C. 20 minutes | |