Problems on H.C.F and L.C.M
The least number which when divided by 5, 6 , 7 and 8 leaves a remainder 3, but when divided by 9 leaves no remainder, is:

1983
1183
1683
1383

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Problems on H.C.F and L.C.M
Find the H.C.F. of 513, 1134 and 1215.

27
63
58
42

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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

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

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