Product of two coprime numbers is 117, then their LCM is
9
13
39
117
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The sum of two numbers is 528 and their HCF is 33. The number of such pairs is :
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2
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The H.C.F. and L.C.M. of 0.63, 1.05 and 2.1
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3
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Find the greatest number that will divide 55, 127 and 175 so as to leaves the same remainder in each case
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4
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HCF of 3240, 3600 and a third number is 36 and their LCM is 24×35×52×72 Then the third number is
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5
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The LCM and HCF of two numbers are 84 and 21, respectively. If the ratio of the two numbers is 1 : 4, then the larger of the two numbers is
SolutionAnswer- 84 |
6
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Four bells ring at intervals of 6, 8, 12 and 18 seconds respectively since 12 o’clock. How many times will they ring simultaneously within 6 minutes of the time? (excluding the one at the start)
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7
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The LCM of two numbers is 495 and their HCF is 5. If the sum of the numbers is 100 then their difference is:
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8
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(461+462+463+464) is divisible by
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9
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What is the greatest number which when subtracted from 3000, is exactly divisible by 7, 11 and 13 ?
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10
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Three numbers are in ratio 1 : 2 : 3 and HCF is 12. The numbers are:
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