The traffic lights at three different road crossings change after 24 s – McqOptions

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1.	The traffic lights at three different road crossings change after 24 s, 36 s respectively. If they all change simultaneously at 10 : 15 : 00 am, then at what time will they again change simultaneously ?
A.	10 : 16 : 54 am
B.	10 : 18 : 36 am
C.	10 : 17 : 02 am
D.	10
Answer» C. 10 : 17 : 02 am

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