Problems on H.C.F and L.C.M
What is the side of the largest possible square brick which can be paved on the floor of a room 4m 96cm long and 4m 3cm broad?

9 cm
16 cm
31 cm
25 cm

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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 ?

664
962
864
762

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Problems on H.C.F and L.C.M
What will be the least number which when doubled will be exactly divisible by 12, 18, 21 and 30 ?

540
630
770
420

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