The LCM of two numbers is 495 and their HCF is 5. If the sum of the numbers is 100 then their difference is:
10
46
70
90
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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 |
2
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Which of the following is a pair of co-primes?
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3
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The greatest number which on dividing 1657 and 2037 leaves remainders 6 and 5 respectively is
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4
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Product of two coprime numbers is 117, then their LCM is
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5
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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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6
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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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7
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The L.C.M. of two numbers is 48. The numbers are in the ratio 2:3. Then sum of the number is:
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8
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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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9
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Which of the following has the most number of divisors?
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10
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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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