How many degrees will the minutes - hand move, in the same time in which the hour-hand moves20°? a)180 B)240 C)120 d)80
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Given,
Hour Hand Moves 20°.
To Find,
Solution,
The hour hand moves 30° in every 1 hour
Thus if hour hand moves 20° ⇒ × = minutes
⇒ The minute hand has moved for 40 minutes
⇒ The minute hand moves 360° in every 60 minutes
∴ 60 → 360
40 → ?
On cross multiplication, × = 240
Henceforth, the minute hand has moves 240° , when the hour hand moves for 20°.
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