HCF and LCM Aptitude Questions Practice Question and Answer

Q:

What is the L.C.M of 12, 23, 24?

1300 0

  • 1
    120
    Correct
    Wrong
  • 2
    529
    Correct
    Wrong
  • 3
    552
    Correct
    Wrong
  • 4
    562
    Correct
    Wrong
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Answer : 3. "552"

Q:

The HCF of two numbers is 96 and their LCM is 1296. If one of the numbers is 864, the other is

1292 0

  • 1
    140
    Correct
    Wrong
  • 2
    144
    Correct
    Wrong
  • 3
    132
    Correct
    Wrong
  • 4
    135
    Correct
    Wrong
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Answer : 2. "144"

Q:

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

1291 0

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

Q:

What is the LCM (least common multiple) of 57 and   93?

1287 0

  • 1
    1576
    Correct
    Wrong
  • 2
    1767
    Correct
    Wrong
  • 3
    1567
    Correct
    Wrong
  • 4
    1919
    Correct
    Wrong
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Answer : 2. "1767"

Q:

HCF and LCM of two numbers are 7 and 140 respectively. If the numbers are between 20 and 45, the sum of the numbers is: 

1277 0

  • 1
    63
    Correct
    Wrong
  • 2
    56
    Correct
    Wrong
  • 3
    70
    Correct
    Wrong
  • 4
    77
    Correct
    Wrong
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Answer : 1. "63 "

Q:

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

1264 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 

1249 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 will be the greatest common factor of 96, 528, 2160, 3520?

1242 0

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

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