Problems on H.C.F and L.C.M
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

6 : 27 : 12 hrs.
8 : 27 : 12 hrs.
7 : 27 : 12 hrs.
5 : 27 : 12 hrs.

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Problems on H.C.F and L.C.M
What is the least number, which when divided by 5,6,8,10 and 12 leaves the remainder 2 in each case , but when divided by 13 leaves no remainder ?

762
962
864
664

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