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Hcf and lcm Practice Questions & Answers

0 vote

The sum of two numbers is 36 and their H.C.F and L.C.M. are 3 and 105 respectively. The sum of the reciprocals of two numbers is

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The sum of two numbers is 36 and their H.C.F and L.C.M. are 3 and 105 respectively. The sum of the reciprocals of two numbers is
1). $\frac{2}{35}$
2). $\frac{3}{25}$
3). $\frac{4}{35}$
4). $\frac{2}{25}$

35 vote

Sum of two numbers is 384. H.C.F. of the numbers is 48. The difference of the numbers is

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Sum of two numbers is 384. H.C.F. of the numbers is 48. The difference of the numbers is
1). 100
2). 192
3). 288
4). 336

0 vote

The LCM of two numbers is 12 times their HCF. The sum of the HCF and the LCM is 403. If one of the number is 93, then the other number is

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The LCM of two numbers is 12 times their HCF. The sum of the HCF and the LCM is 403. If one of the number is 93, then the other number is
1). 124
2). 128
3). 134
4). 138

25 vote

The sum of two numbers is 216 and their HCF is 27. How many pairs of such numbers are there

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The sum of two numbers is 216 and their HCF is 27. How many pairs of such numbers are there
1). 1
2). 2
3). 3
4). 0

0 vote

The product of the LCM and the HCF of two numbers is 24. If the difference of the numbers is 2, then the greater of the number is

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The product of the LCM and the HCF of two numbers is 24. If the difference of the numbers is 2, then the greater of the number is
1). 3
2). 4
3). 6
4). 8