LCM and HCF Questions and Answers Quiz-1

Question 1

Time: 00:00:00

Find the greatest number that will divide 43, 91 and 183 so as to leave the same remainder in each case.

4

4

7

7

9

9

13

13

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Question 2

Time: 00:00:00
The H.C.F. of two numbers is 23 and the other two factors of their L.C.M. are 13 and 14. The larger of the two numbers is:

276

276

299

299

322

322

345

345

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Question 3

Time: 00:00:00
Six bells commence tolling together and toll at intervals of 2, 4, 6, 8 10 and 12 seconds respectively. In 30 minutes, how many times do they toll together ?

4

4

10

10

15

15

16

16

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Question 4

Time: 00:00:00

Let N be the greatest number that will divide 1305, 4665 and 6905, leaving the same remainder in each case. Then sum of the digits in N is:

4

4

5

5

6

6

8

8

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Question 5

Time: 00:00:00

The greatest number of four digits which is divisible by 15, 25, 40 and 75 is:

9000

9000

9400

9400

9600

9600

9800

9800

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Question 6

Time: 00:00:00
The product of two numbers is 4107. If the H.C.F. of these numbers is 37, then the greater number is:

101

101

107

107

111

111

185

185

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Question 7

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

80

80

120

120

200

200

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Question 8

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

0.23

0.23

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Question 9

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 10

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

74

74

94

94

153

153

364

364

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["0","40","60","80","100"]
["Need more practice! \r\n","Keep trying! \r\n","Not bad! \r\n","Good work! \r\n","Perfect! \r\n"]

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