HCF and LCM Practice Question and Answer

Q:

The greatest number that can be subtracted from 10000 so that the remainder may be divisible by 32, 36, 48 and 54 is-

2377 1

  • 1
    9136
    Correct
    Wrong
  • 2
    9216
    Correct
    Wrong
  • 3
    9316
    Correct
    Wrong
  • 4
    9236
    Correct
    Wrong
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Answer : 1. "9136"

Q:

Find the greatest number which will exactly divide 200 and 320. 

2355 0

  • 1
    10
    Correct
    Wrong
  • 2
    20
    Correct
    Wrong
  • 3
    16
    Correct
    Wrong
  • 4
    40
    Correct
    Wrong
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Answer : 4. "40"

Q:

The greatest number that divides 411, 684, 821 and leaves 3, 4 and 5 as remainders, respectively, is 

2325 0

  • 1
    136
    Correct
    Wrong
  • 2
    204
    Correct
    Wrong
  • 3
    254
    Correct
    Wrong
  • 4
    146
    Correct
    Wrong
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Answer : 1. "136 "

Q:

The HCF of two numbers 12906 and 14818 is 478. Their LCM is:

2309 0

  • 1
    400086
    Correct
    Wrong
  • 2
    200043
    Correct
    Wrong
  • 3
    600129
    Correct
    Wrong
  • 4
    600129
    Correct
    Wrong
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Answer : 1. "400086 "

Q:

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

2250 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:

Find the greatest number that will divide 390, 495 and 300 without leaving a remainder. 

2162 0

  • 1
    25
    Correct
    Wrong
  • 2
    35
    Correct
    Wrong
  • 3
    5
    Correct
    Wrong
  • 4
    15
    Correct
    Wrong
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Answer : 4. "15 "

Q:

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

2162 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:

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

2062 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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