HCF and LCM Aptitude Questions Practice Question and Answer

Q:

The LCM of two multiples of 12 is 1056. If one of the numbers is 132, the other number is 

1347 0

  • 1
    96
    Correct
    Wrong
  • 2
    132
    Correct
    Wrong
  • 3
    12
    Correct
    Wrong
  • 4
    72
    Correct
    Wrong
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Answer : 1. "96 "

Q:

When a number is divided by 15, 20 or 35, each time the remainder is 8. Then the smallest number is 

1182 0

  • 1
    328
    Correct
    Wrong
  • 2
    338
    Correct
    Wrong
  • 3
    428
    Correct
    Wrong
  • 4
    427
    Correct
    Wrong
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Answer : 3. "428 "

Q:

The smallest number, which when increased by 5 is divisible by each of 24, 32, 36 and 54, is 

1005 0

  • 1
    571
    Correct
    Wrong
  • 2
    427
    Correct
    Wrong
  • 3
    869
    Correct
    Wrong
  • 4
    859
    Correct
    Wrong
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Answer : 4. "859 "

Q:

What least number must be subtracted from 1936 so that the resulting number when divided by 9, 10 and 15 will leave in each case the same remainder 7? 

917 0

  • 1
    39
    Correct
    Wrong
  • 2
    30
    Correct
    Wrong
  • 3
    37
    Correct
    Wrong
  • 4
    36
    Correct
    Wrong
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Answer : 1. "39 "

Q:

The product of the LCM and HCF of two numbers is 24. The difference of the two numbers is 2. Find the numbers? 

947 0

  • 1
    2 and 4
    Correct
    Wrong
  • 2
    6 and 4
    Correct
    Wrong
  • 3
    8 and 6
    Correct
    Wrong
  • 4
    8 and 10
    Correct
    Wrong
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Answer : 2. "6 and 4"

Q:

The largest number, which divides 25, 73 and 97 to leave the same remainder in each case, is 

2098 0

  • 1
    21
    Correct
    Wrong
  • 2
    6
    Correct
    Wrong
  • 3
    24
    Correct
    Wrong
  • 4
    23
    Correct
    Wrong
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Answer : 3. "24 "

Q:

The HCF of two numbers, each having three digits, is 17 and their LCM is 714. The sum of the numbers will be: 

1397 0

  • 1
    221
    Correct
    Wrong
  • 2
    731
    Correct
    Wrong
  • 3
    289
    Correct
    Wrong
  • 4
    391
    Correct
    Wrong
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Answer : 1. "221 "

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: 

1114 0

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

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