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PROBLEMS ON H.C.F AND L.C.M QUIZ

Find the least square number which is divisible by 10, 12, 15 and 18?

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The HCF of 2 numbers is 11 and LCM is 693.If one of numbers is 77.find the other number ?

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A, B and C start running around a circular stadium and complete one round in 27 s, 9 s and 36 s, respectively. In how much time will they meet again at the starting point?

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Let the least number of six digits, which when divided by 4, 6, 10 and 15, leaves in each case the same remainder of 2, be N. The sum of the digits in N is:

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The smallest number which when divided by 20, 25, 35 and 40 leaves a remainder of 14, 19, 29 and 34 respectively is?

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The greatest number which on dividing 1657 and 2037 leaves remainders 6 and 5 respectively, is:

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The least number of five digits which is exactly divisible by 12,15 and 18 is :

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Find the least which when divided y 16,18,20, and 25 leaves 4 as remainder in each case, but when divided by 7 leaves no remainder.

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Find he smallest number of five digits exactly divisible by 16, 24, 36 and 54 .

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The greatest possible length which can be used to measure exactly the length 7 m, 3 m 85 cm, 12 m 95 cm is :

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