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: Option D
Solution (By Examveda Team)
Angle traced by the minute hand in 2 hours 20 minutes,i.e.,$$\eqalign{ & = 140{\text{ minutes}} \cr & = {\left( {\frac{{360}}{{60}} \times 140} \right)^ \circ } \cr & = {840^ \circ } \cr} $$

Join The Discussion