Question

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

Answer 1

Answer:

2 h 20 min = 140 min  

Explanation:

In every hour the minute hand move over 360°.

So, in every minute it will move 360°/60° = 6°

So, in 140 min the minute hand will move over = 6 x 140° = 840°