Q 11.

Find the LCM if product of two co-prime numbers is 117

Options:

Cannot be found

Equal to their HCF

1

117

Q 12.

Find the difference if the sum of two numbers is 10 and their HCF and LCM are 5 and 495 respectively.

Options:

10

46

70

90

Q 13.

Two numbers are in the ratio 1:4 and their HCF and LCM are 84 and 21 respectively. Find the greater number.

Options:

108

84

48

12

Q 14.

Find the value of X if LCM of X and 275 is 7700 and HCF of X and 275 is 11.

Options:

318

308

283

279

Q 15.

Find the HCF of three numbers if they are in the ratio 3:4:5 and their LCM is 2400

Options:

200

40

80

120

Q 16.

Find the sum of two numbers if they are in the ratio 2:3 and their LCM is 48

Options:

28

64

40

32

Q 17.

Three numbers are coprime to each other and the product of the first two is 551 and the product of the last two is 1073 then find the sum of the three numbers.

Options:

81

85

75

89

Q 18.

If AxB = 4107 and HCF of A and B is 37, then find the geater number

Options:

111

185

107

101

Q 19.

Find the LCM if two numbers are in the ratio 3:4 and their HCF is 4

Options:

12

48

16

24

Q 20.

Find the three numbers if they are in the ratio 1:2:3 and their HCF is 12

Options:

10, 20, 30

12, 24, 36

4, 8, 12

5, 10, 15

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