Problems on H.C.F and L.C.M

Problems on H.C.F and L.C.M
Reduce 391/667 to lowest terms .

31/45

17/29

23/37

11/13

31/45

17/29

23/37

11/13

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Problems on H.C.F and L.C.M
The product of two numbers is 2028 and their H.C.F. is 13. The number of such pairs is:

4

2

3

1

4

2

3

1

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Problems on H.C.F and L.C.M
Which of the following fractions is the largest?

63/80

31/40

7/8

13/16

63/80

31/40

7/8

13/16

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Problems on H.C.F and L.C.M
The least number which is a perfect square and is divisible by each of the numbers 16,20, and 24, is :

1600

6400

3600

11400

1600

6400

3600

11400

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Problems on H.C.F and L.C.M
Six belts 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 ?

15

4

10

16

15

4

10

16

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Problems on H.C.F and L.C.M
Find the smallest number of two digits which on being divided by 2, 3, 4 and 5 leaves 0, 1, 2 and 3 as remainder respectively.

58

55

61

65

58

55

61

65

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

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