HCF and LCM Aptitude Questions Practice Question and Answer

Q:

What is the minimum number of square marbles required to tile a floor of length 5 meters 78 cm. and width 3 meters 74 cm?  

1340 0

  • 1
    540
    Correct
    Wrong
  • 2
    748
    Correct
    Wrong
  • 3
    176
    Correct
    Wrong
  • 4
    187
    Correct
    Wrong
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Answer : 4. "187 "

Q:

If the HCF and LCM of 5x and 8x are 9 and 360 respectively, find value of x. 

1338 0

  • 1
    5
    Correct
    Wrong
  • 2
    7
    Correct
    Wrong
  • 3
    9
    Correct
    Wrong
  • 4
    8
    Correct
    Wrong
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Answer : 3. "9 "

Q:

A milkman has 75 litres milk in one cane and 45 litres in another. The maximum capacity of container which can measure milk of either container exact number: 

1329 0

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

Q:

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

1319 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:

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

1292 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 HCF and LCM of two number are 20 and 120, respectively. If one number is 50 percent more than the other number, then which is the smaller number.

1271 0

  • 1
    80
    Correct
    Wrong
  • 2
    40
    Correct
    Wrong
  • 3
    60
    Correct
    Wrong
  • 4
    20
    Correct
    Wrong
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Answer : 2. "40"

Q:

If A and B are the HCF and LCM respectively of two algebraic expressions x and y, and A + B = x + y, then the value of A3 + B3 is 

1264 0

  • 1
    $$x^3-y^3 $$
    Correct
    Wrong
  • 2
    $$x^3$$
    Correct
    Wrong
  • 3
    $$y^3$$
    Correct
    Wrong
  • 4
    $$x^3 + y^3$$
    Correct
    Wrong
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Answer : 4. "$$x^3 + y^3$$"

Q:

The greatest number, which when divides 989 and 1327 leave remainder 5 and 7 respectively: 

1211 0

  • 1
    8
    Correct
    Wrong
  • 2
    16
    Correct
    Wrong
  • 3
    24
    Correct
    Wrong
  • 4
    32
    Correct
    Wrong
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Answer : 3. "24"

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