the diameter if the wheel of a car is 77 cm. how many revolutions will it make to travel 121 km?
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tatal revolution = 121000 meter ÷ 22/7*77/100
=121000/22*11/100, =121×1000×100÷22×11
11×1000×50÷11= 50000 R Answer
=121000/22*11/100, =121×1000×100÷22×11
11×1000×50÷11= 50000 R Answer
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