Madhya Pradesh Police Exam Model Paper 3

Question : 55 of 100

Marks: +1, -0

The wheel of an engine turns 350 times round its axle to cover 1.76 km. The diameter of the wheel is

Solution:

In one rotation, a wheel of radius r covers a distance of 2πr or πd, where d is the diameter. Hence, we have

πd × 350 = 1760 m

⇒ d = 1760/350×7/22 = 1.6m = 160 cm

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