The diameter of a wheel of a rickshaw is 42 cm. If the wheel makes 70 rotation in one minute, how long will it take for th rickshaw to cover a distance of 8316 meters?
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Answer:
1 hr 30 min
Step-by-step explanation:
Circumference of the wheel = 2r = 2*3.14*21=131.88 cm
It makes 70 rotation in one minute =131.88*70 = 9231.6cm (Converting into metres)=92.316m
Time taken to cover distance 8316 =8316/92.316= 1 hr 30 min
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