In an accurate clock, in a period of 2 hours 20 minutes the minute hand will move over · ABC26GN5176

Subject: General Aptitude · Chapter: Clocks

In an accurate clock, in a period of 2 hours 20 minutes the minute hand will move over

(a)140°

(b)320°

(c)520°

(d)840°

Answer

Answer (as printed): D

Explanation

Angle traced by the minute hand in 2 hrs 20 min, i.e., 140 min. $=\left(\frac{360}{60} \times 140\right)^{\circ}=840^{\circ}$.

Explanation as extracted from the printed page; notation may be imperfect.

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