1.

 The traffic light at three different road crossing change after every 48 sec, 72 sec. and 108 sec. respectively . If they all change simultaneously at 8 : 20 : 00 hours, then at what time will they ag

A. 8 : 27 : 12 hrs.
B. 6 : 27 : 12 hrs.
C. 7 : 27 : 12 hrs.
D. 5 : 27 : 12 hrs.
Answer» B. 6 : 27 : 12 hrs.


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