Three numbers are in ratio 1 : 2 : 3 and HCF is 12. The numbers are:
12, 24, 36
11, 22, 33
12, 24, 32
5, 10, 15
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#  Quiz 

1
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Which of the following has the most number of divisors?
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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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HCF of 3240, 3600 and a third number is 36 and their LCM is 2^{4}×3^{5}×5^{2}×7^{2} Then the third number is
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4
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Which of the following is a pair of coprimes?
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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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The greatest number which on dividing 1657 and 2037 leaves remainders 6 and 5 respectively is
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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:
Solution 
8
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The product of two numbers is 2028 and their HCF is 13. The number of such pairs is :
Solution 
9
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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:
Solution 
10
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Find the LCM of 2/3, 3/5, 4/7 and 9/13.
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