# A Clock Gains 2 Minutes Every Hour. Then the Angle Traversed by the Second Hand in One Minute Is: - Mathematics

MCQ

A clock gains 2 minutes every hour. Then the angle traversed by the second hand in one minute is:

• 360°

• 370°

• 390°

• 372°

#### Solution

372°

Explanation:

A gain of a clock in 1 minute =2/60=1/30minute

=1/30xx60=2  "sec"

Actual Angle rotated by second hand in 1 minute
=360°

Angle rotated by second hand in 2 sec.
=360^°/60^°xx2=12^°

Hence, the total angle rotated by second hand
=360° + 120° = 372°

Concept: Clock and Calender (Entrance Exam)
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