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LCM and HCF Quiz-1

Question 1

Time: 00:00:00
The LCM of three different numbers is 2048. Which one of the following can never be there HCF?

8

8

124

124

32

32

256

256

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Question 2

Time: 00:00:00
The least perfect square, which is divisible by each of 20, 35 and 65 is

3314434

3314434

3341200

3341200

3312400

3312400

4331444

4331444

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Question 3

Time: 00:00:00
Ram got a question in his maths test that,If LCM of two number is 369, HCF of two numbers is 27and one number is 9, then find other

390

390

1212

1212

1107

1107

1502

1502

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Question 4

Time: 00:00:00
Find the greatest number which on dividing 1661 and 2045, leaves a remainder of 10 and 13 respectively?

158

158

125

125

127

127

13

13

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Question 5

Time: 00:00:00
Which greatest possible length can be used to measure exactly 20 meter 15 cm, 21 meter 55 cm and 12 meter 65 cm ?

8

8

5

5

4

4

2

2

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Question 6

Time: 00:00:00
Five clothes dry in 3,6,9,12 and 15 hours respectively, how many times will these clothes will be dried in 360 hours

5

5

4

4

3

3

2

2

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Question 7

Time: 00:00:00
There are 3 numbers, these are co-prime to each other are such that the product of the first two is 399 and that of the last two is 525. What will be the sum of three numbers :

 

75

75

81

81

65

65

89

89

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Question 8

Time: 00:00:00
If the sum of two numbers is 11 and the H.C.F. and L.C.M. of these numbers are 1 and 30 respectively, then the sum of the reciprocals of the numbers is equal to:

55/60

55/60

60/55

60/55

11/30

11/30

10/11

10/11

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Question 9

Time: 00:00:00
What is the smallest number that leaves a remainder of 2 when divided by 3, 4, 5, and 6?

 

 

62

62

46

46

32

32

25

25

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Question 10

Time: 00:00:00
Find the smallest 4 digit number which is divisible by 18, 24, 32?

1152

1152

2340

2340

1230

1230

1450

1450

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