PROBLEMS ON H.C.F AND L.C.M QUIZ

Which of the following fractions is the largest?

31/40

63/80

13/16

7/8

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YOUR ANSWER : ?

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

2

1

4

3

TRUE ANSWER : ?
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Find the least number which when divided by 5,6,7, and 8 leaves a remainder 3, but when divided by 9 leaves no remainder .

2683

1683

3683

4683

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YOUR ANSWER : ?

Find the HCF of of 0.36, 0.48, 0.72 and 2.4

0.8

0.12

0.4

0.16

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L.C.M of two prime numbers x and y (x>y) is 161. The value of 3y-x is :

-2

1

2

-1

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The H.C.F and L.C.M of two numbers are 11 and 385 respectively. If one number lies between 75 and 125 , then that number is

77

88

99

110

TRUE ANSWER : ?
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Five bells ring together and ring at intervals of 2, 6, 8, 12 and 15 seconds respectively. How many times will they ring together in 60 minutes?

31

34

33

32

TRUE ANSWER : ?
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The H.C.F. and L.C.M. of two numbers are 12 and 5040 respectively If one of the numbers is 144, find the other number

110

360

420

180

TRUE ANSWER : ?
YOUR ANSWER : ?

Find the L.C.M.. of 72, 108 and 2100.

38600

38000

37000

37800

TRUE ANSWER : ?
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Find the greatest number that, while dividing 47, 215 and 365, gives the same remainder in each case?

6

4

5

3

TRUE ANSWER : ?
YOUR ANSWER : ?

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