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General

Easy

Question

# How many times will the wheel of a car rotate in a journey of 88 km if its known that the diameter of the wheel is 56 cm?

Hint:

### Try to find circumference of the wheel

## The correct answer is: 50000 rotations

### It is given that diameter of the wheel = 56 cm

Radius = = = 28 cm

Circumference of the circle = 2 r

= 2 × × 28

= 176 cm

Total distance = 88 km = 8800000 cm

No of rotations = = = 50000 rotations

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