The diameter of a cycle wheel is 28 cm. How many
revolutions will it make in moving 11 km?
(a) 12500
(b) 12756
(c) 12000
(d) 1750
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Distance= Circumference × no of revolutions
Given D = 28 hence r= 14cm
According to our formula:-
11km(change in cm) = 2×π×14×n
See in the given pic provided....❗
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