# CoCubes HCF and LCM Question and Answers Quiz-1

Question 1

Time: 00:00:00
The product of two numbers is 2028 and their H.C.F. is 13. The number of such pairs is:

1

1

2

2

3

3

4

4

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Question 2

Time: 00:00:00
The greatest number which on dividing 1657 and 2037 leaves remainders 6 and 5 respectively, is:

123

123

546

546

127

127

694

694

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Question 3

Time: 00:00:00

Three number are in the ratio of 3 : 4 : 5 and their L.C.M. is 2400. Their H.C.F. is:

40

40

120

120

80

80

200

200

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Question 4

Time: 00:00:00
Product of two co-prime numbers is 117. Their L.C.M should be

1

1

112

112

117

117

236

236

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Question 5

Time: 00:00:00

The sum of two numbers is 528 and their H.C.F is 33. The number of pairs of numbers satisfying the above condition is

4

4

8

8

6

6

12

12

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Question 6

Time: 00:00:00
A rectangular courtyard 3.78 meters long 5.25 meters wide is to be paved exactly with square tiles, all of the same size. what is the largest size of the tile which could be used for the purpose?

14cm

14cm

21cm

21cm

26cm

26cm

42cm

42cm

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Question 7

Time: 00:00:00
The least multiple of 7, which leaves a remainder of 4, when divided by 6, 9, 15 and 18 is:

364

364

94

94

74

74

184

184

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Question 8

Time: 00:00:00

The H.C.F and L.C.M of two numbers are 11 and 385 respectively. If one number lies between 75 and 125 , then that number is

77

77

88

88

99

99

110

110

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Question 9

Time: 00:00:00
The smallest number which when diminished by 7, is divisible by 12, 16, 18, 21 and 28 is

1012

1012

1088

1088

1015

1015

1032

1032

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Question 10

Time: 00:00:00

The G.C.D of 1.08, 0.36 and 0.9 is

0.03

0.03

0.9

0.9

0.18

0.18

0.108

0.108

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