Time and Distance Practice Test 2 with solutions

Question : 9 of 40

Marks: +1, -0

Find the distance covered by the outer end of the minute hand of a wall clock in 20 minutes if it is 63 m long.

Solution:

Angle formed by the minute hand in 20 minutes
= 20 × 6 = 120°
Distance covered =

{120}/{360}

(2πr)
=

{120}/{360} × 2 × {22}/7 × 63

= 132 m

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