NTT Data LCM and HCF Quiz -1

Question 1

Time: 00:00:00
If the HCF of two numbers is 4 and their LCM is 48 . One of the numbers is 16. Then find another number.

12

12

14

14

16

16

18

18

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Question 2

Time: 00:00:00
Find the largest number that can exactly divide 52 , 70 and 72.

 

2

2

3

3

1

1

None

None

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Question 3

Time: 00:00:00
Find LCM of 24 , 42 , 54 and 72

756

756

3124

3124

3024

3024

1512

1512

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Question 4

Time: 00:00:00
Find HCF of 25 , 45 and 200

5

5

3

3

2

2

1

1

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Question 5

Time: 00:00:00
A bell rings every 10 minutes. A second bell rings every 20 minutes. A third bell rings every 25 minutes, A fourth rings every 50 minutes. If all the four bells ring at the same time at 9: 30 in the evening, at what other time will they all ring together?

12 :20

12 :20

11 :10

11 :10

10 :10

10 :10

10 :04

10 :04

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Question 6

Time: 00:00:00
The product of the two numbers is 3737. If the H.C.F. of these numbers is 37, then the LCM is:

80

80

90

90

111

111

101

101

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Question 7

Time: 00:00:00
Find the smallest 4-digit number which is divisible by 12, 26 and 32

1312

1312

1624

1624

1248

1248

None

None

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Question 8

Time: 00:00:00
What will be LCM of two numbers if HCF and product of two numbers is given

Always 1

Always 1

LCM  = \frac{\text{Product of two Numbers}}{\text{HCF}}

LCM  = \frac{\text{Product of two Numbers}}{\text{HCF}}

can  not say

can  not say

None

None

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Question 9

Time: 00:00:00
Five bells commence ringing together and toll at intervals of 2, 4, 6,8 and 12 seconds respectively. In 48 Seconds, how many times do they toll together ?

3

3

2

2

4

4

None

None

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Question 10

Time: 00:00:00
Three numbers are in the ratio of 2 : 3 : 4 : and their L.C.M. is 120. Their H.C.F. is:

5

5

30

30

10

10

20

20

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["0","40","60","80","100"]
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