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Hcf and lcm Practice Questions & Answers

21 vote

Two numbers, both greater than 29, have HCF 29 and LCM 4147. The sum of the numbers is :

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Two numbers, both greater than 29, have HCF 29 and LCM 4147. The sum of the numbers is : 1). 966 2). 696 3). 669 4). 666

0 vote

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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The LCM of two numbers is 495 and their HCF is 5. If the sum of the numbers is 100. then their difference is :
1). 10
2). 46
3). 70
4). 90

0 vote

The product of the LCM and HCF of two numbers is 24. The difference of the two numbers is 2. Find the numbers

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The product of the LCM and HCF of two numbers is 24. The difference of the two numbers is 2. Find the numbers
1). 8 and 6
2). 8 and 10
3). 2 and 4
4). 6 and 4

0 vote

The H.C.F. and L.C.M. of two numbers are 21 and 84 respectively. If the ratio the two numbers is 1:4, then the larger of the two numbers is

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The H.C.F. and L.C.M. of two numbers are 21 and 84 respectively. If the ratio the two numbers is 1:4, then the larger of the two numbers is
1). 12
2). 108
3). 48
4). 84

38 vote

If x:y be the ratio of two whole numbers and z be their HCF, then the LCM of those two numbers is

Asked on by | Votes 38

If x:y be the ratio of two whole numbers and z be their HCF, then the LCM of those two numbers is
1). yz
2). $\frac{xz}{y}$
3). $\frac{xy}{z}$
4). xyz