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Question

The hour hand of a clock is at 9 and the minute hand makes an angle of 90 with the hour hand. If the minute hand is ahead of the hour hand, what time is it now?


A

9:30

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B

9:15

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C

9:00

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D

9:45

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Solution

The correct option is C

9:00


The angle between any two consecutive numbers on the clock is 36012=30.

We are given that the hour hand is at 9 and that it makes an angle of 90 with the minute hand.

Also, the minute hand is ahead of the hour hand.

3×30=90

The minute hand of the clock is at (9+3=)12.


The time is 09:00.


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