A time of a clock is set 3.40. Find out the angle that is formed by both hour hand and minute hand:
(A) 120 degrees
(B) 135 degrees
(C) 140 degrees
(D) 130 degrees
Explanation: The hour hand covers the angle 360 degrees in 12 hrs.
So, the angle is covered by it in 11/3 hrs = (360/2 x 11/3) degrees = 110 degrees .
The minute hand covers the angle in 360 degrees in 60 min.
So, the angle is covered by it in 40 min = (360/60 x 40) degrees = 240 degrees .
Hence, the required angle made by both hands = (240 – 110) degrees = 130 degrees .
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