HCF and LCM Aptitude Questions Practice Question and Answer

Q:

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

986 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:

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:

1027 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 H.C.F. of two numbers is 8. Which one of the following can never be their L.C.M? 

966 0

  • 1
    24
    Correct
    Wrong
  • 2
    48
    Correct
    Wrong
  • 3
    56
    Correct
    Wrong
  • 4
    60
    Correct
    Wrong
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Answer : 4. "60"

Q:

A number of friends decided to go on picnic and planned to spend Rs. 108 on eatables. Three of them however did not turn up. As a consequence, each one of the remaining had to contribute Rs 3. extra. The number of them who attended the picnic was:

2714 0

  • 1
    15
    Correct
    Wrong
  • 2
    12
    Correct
    Wrong
  • 3
    9
    Correct
    Wrong
  • 4
    6
    Correct
    Wrong
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Answer : 3. " 9"

Q:

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

1086 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. "6"

Q:

The sum of two numbers is 84 and their HCF is 12. Total number of such pairs of number is 

1819 0

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

Q:

If the ratio of two numbers is 13 : 15 and their L.C.M. is 39780. Then the numbers are?

1452 0

  • 1
    2550 and 3450
    Correct
    Wrong
  • 2
    2652 and 3060
    Correct
    Wrong
  • 3
    2250 and 2340
    Correct
    Wrong
  • 4
    2450 and 3450
    Correct
    Wrong
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Answer : 2. "2652 and 3060"

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