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Questions  >>  Olympiad-Math  >>  Class 6  >>  Math  >>  Percentages
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Q)

The traffic lights at three different road crossings change after every 22 sec., 66 sec and 120 sec respectively. If they all change simultaneously at 9:10:00 hours, then at what time will they again change simultaneously?


( A ) 9:40
( B ) 9:38
( C ) 9:32
( D ) 9:25

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