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HCF And LCM Tes...

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  • Question 1
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    Find the lowest common multiple of 24, 36 and 40.

  • Question 2
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    The least number which should be added to 2497 so that the sum is exactly divisible by 5, 6, 4 and 3 is:

  • Question 3
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  • Question 4
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    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:

  • Question 5
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    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. After what time will they again at the starting point ?

  • Question 6
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    The H.C.F. of two numbers is 11 and their L.C.M. is 7700. If one of the numbers is 275, then the other is:

  • Question 7
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    What will be the least number which when doubled will be exactly divisible by 12, 18, 21 and 30 ?

  • Question 8
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    The ratio of two numbers is 3 : 4 and their H.C.F. is 4. Their L.C.M. is:

  • Question 9
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    The smallest number which when diminished by 7, is divisible 12, 16, 18, 21 and 28 is:

  • Question 10
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    252 can be expressed as a product of primes as:

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