Problems on H.C.F and L.C.M
Find the greatest number which on dividing 1657 and 2037 leaves remainders 6 and 5 respectively.

127
379
445
221

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Problems on H.C.F and L.C.M
The traffic lights at three different road crossings 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 they again change

8:27:12 hrs
9:22:08 hrs
7:25:14 hrs
10:13:17 hrs

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Problems on H.C.F and L.C.M
A, B and C start at the same time in the same direction to run around a circular stadium. A completes a round in 252 seconds, B in 308 seconds and c in 198 seconds, all starting at the same point. Aft

46 minutes and 12 seconds
42 minutes and 36 seconds
45 minutes
26 minutes and 18 seconds

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