HCF and LCM Aptitude Questions Practice Question and Answer

Q:

Two numbers are in the ratio 3: 4 if their LCM  is 240 then smaller number will be

1582 0

  • 1
    100
    Correct
    Wrong
  • 2
    80
    Correct
    Wrong
  • 3
    60
    Correct
    Wrong
  • 4
    50
    Correct
    Wrong
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Answer : 3. "60"

Q:

What will be the greatest common factor of 96, 528, 2160, 3520?

1577 0

  • 1
    8
    Correct
    Wrong
  • 2
    16
    Correct
    Wrong
  • 3
    12
    Correct
    Wrong
  • 4
    24
    Correct
    Wrong
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Answer : 2. "16"

Q:

Two numbers are in the ratio 3 : 4. Their L.C.M. is 84. The greater number is 

1577 0

  • 1
    28
    Correct
    Wrong
  • 2
    84
    Correct
    Wrong
  • 3
    21
    Correct
    Wrong
  • 4
    24
    Correct
    Wrong
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Answer : 1. "28"

Q:

The least number, which is a perfect square and is divisible by each of the numbers 16, 20 and 24 is 

1568 0

  • 1
    6400
    Correct
    Wrong
  • 2
    14400
    Correct
    Wrong
  • 3
    1600
    Correct
    Wrong
  • 4
    3600
    Correct
    Wrong
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Answer : 4. "3600 "

Q:

What is the HCF of 16, 72 and 28 ?

1560 0

  • 1
    3
    Correct
    Wrong
  • 2
    4
    Correct
    Wrong
  • 3
    2
    Correct
    Wrong
  • 4
    1
    Correct
    Wrong
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Answer : 2. "4"

Q:

Find the HCF of 3341 and 3328.

1552 0

  • 1
    257
    Correct
    Wrong
  • 2
    13
    Correct
    Wrong
  • 3
    337
    Correct
    Wrong
  • 4
    31
    Correct
    Wrong
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Answer : 2. "13"

Q:

If the product of two numbers is 4941 and their LCM is 81, then their HCF is:

1551 0

  • 1
    59
    Correct
    Wrong
  • 2
    60
    Correct
    Wrong
  • 3
    35
    Correct
    Wrong
  • 4
    61
    Correct
    Wrong
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Answer : 4. "61"

Q:

Two numbers are in the ratio 3 : 4. Their LCM is 84 . The greater number is: 

1550 0

  • 1
    21
    Correct
    Wrong
  • 2
    24
    Correct
    Wrong
  • 3
    28
    Correct
    Wrong
  • 4
    84
    Correct
    Wrong
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Answer : 3. "28"

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