Given:
Radius of the wheel = 7/4 m
Formula Used:
1 km = 1000 m
Circumference of wheel = 2 πr
Solution:
Circumference of wheel = 2 × (22/7) × (7/4) = 11 m
1 revolution = circumference of the wheel
=> 11 m = 1 revolution
=> 1 m = 1/11 revolution
=> 22000 m = (1/11) × 22000 = 2000 revolution.
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