HCF and LCM Practice Question and Answer

Q:

The greatest number, which when subtracted from 5834, gives a number exactly divisible by each of 20, 28, 32 and 35, is 

1115 0

  • 1
    1120
    Correct
    Wrong
  • 2
    4714
    Correct
    Wrong
  • 3
    5200
    Correct
    Wrong
  • 4
    5600
    Correct
    Wrong
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Answer : 2. "4714 "

Q:

Three sets of English, Mathematics and Science books containing  336, 240, 96 books respectively have to be stacked in such a way that all the books are stored subject wise and the height of each stack is the same. Total number of stacks will be: 

1100 0

  • 1
    22
    Correct
    Wrong
  • 2
    48
    Correct
    Wrong
  • 3
    14
    Correct
    Wrong
  • 4
    21
    Correct
    Wrong
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Answer : 3. "14"

Q:

The HCF and LCM of two numbers are 12 and 336 respectively. If one of the number is 84, the other is

1092 0

  • 1
    36
    Correct
    Wrong
  • 2
    48
    Correct
    Wrong
  • 3
    72
    Correct
    Wrong
  • 4
    96
    Correct
    Wrong
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Answer : 2. "48"

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Answer : 2. "70"

Q:

The LCM of two consecutive even numbers is 144, find the numbers?

1043 0

  • 1
    16 and 18
    Correct
    Wrong
  • 2
    14 and 16
    Correct
    Wrong
  • 3
    18 and 20
    Correct
    Wrong
  • 4
    22 and 24
    Correct
    Wrong
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Answer : 1. "16 and 18 "

Q:

The number 5769116 is divisible by which of the following numbers?

1042 0

  • 1
    4
    Correct
    Wrong
  • 2
    5
    Correct
    Wrong
  • 3
    12
    Correct
    Wrong
  • 4
    8
    Correct
    Wrong
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Answer : 1. "4"

Q:

The HCF and LCM of two numbers are 44 and 264 respectively. If the first number is divided by 2, the quotient is 44. The other number is:

1028 0

  • 1
    147
    Correct
    Wrong
  • 2
    528
    Correct
    Wrong
  • 3
    132
    Correct
    Wrong
  • 4
    264
    Correct
    Wrong
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Answer : 3. "132 "

Q:

The L.C.M. of two numbers is 4 times their H.C.F. The sum of L.C.M. and H.C.F is 125. If one of the numbers is 100, then the other number is-

1028 0

  • 1
    100
    Correct
    Wrong
  • 2
    125
    Correct
    Wrong
  • 3
    5
    Correct
    Wrong
  • 4
    25
    Correct
    Wrong
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Answer : 4. "25 "

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