Infosys HCF and LCM Questions and Answers Quiz-1

Question 1

Time: 00:00:00
Find the GCD of any 3 numbers.

1

1

2

2

3

3

4

4

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Question 2

Time: 00:00:00
Find LCM of 12, 15, 20, 27.

500

500

540

540

550

550

None of these

None of these

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Question 3

Time: 00:00:00
There are two numbers. HCF of both the numbers is 11, and their LCM is 693. If the first number is 77, find the second number?

89

89

56

56

78

78

99

99

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Question 4

Time: 00:00:00

Find the greatest number which divides 34, 90, and 104 and leaves the same remainder in each case.

15

15

17

17

14

14

18

18

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Question 5

Time: 00:00:00
What is the least multiple of 7 which when divided by 6, 9, 15, and 18 respectively, leaves 4 as the remainder in each case?

364

364

255

255

385

385

266

266

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Question 6

Time: 00:00:00
Which least number should be subtracted from 1936 so that the resulting number, when divided by 9, 10, and 15, will leave the same remainder 8 in each case?

39

39

38

38

37

37

36

36

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Question 7

Time: 00:00:00
Find the least number which when divided by 5, 6, 7, and 8 leaves remainder 3, but when divided by 9 leaves remainder 0.

843

843

1683

1683

2523

2523

3363

3363

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Question 8

Time: 00:00:00

What is the number nearest to 10000 which is exactly divisible by 3, 4, 5, 6, 7, and 8?

9956

9956

10080

10080

10096

10096

9240

9240

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Question 9

Time: 00:00:00
The LCM of two prime number x and y is 161. If x>y, find the value of 15y-7x.

-32

-32

-56

-56

38

38

74

74

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Question 10

Time: 00:00:00
Find the smallest digit that will leave same remainder 4 in each case when divided by 12, 15, 20, and 54.

454

454

540

540

544

544

450

450

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