HCF and LCM Aptitude Questions Practice Question and Answer

Q:

Find the HCF of 60, 148 and 382.

567 0

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

Q:

The product of the two numbers is 1500 and their HCF is 10. The number of such possible pairs is/are: 

1393 0

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

Q:

The number 5769116 is divisible by which of the following numbers?

1037 0

  • 1
    4
    Correct
    Wrong
  • 2
    5
    Correct
    Wrong
  • 3
    12
    Correct
    Wrong
  • 4
    8
    Correct
    Wrong
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Answer : 1. "4"

Q:

If the highest common factor (HCF) of x and y is 15, then the HCF of 36x2 – 81y2 and 81x2 – 9y2 is divisible by __________

5133 0

  • 1
    135
    Correct
    Wrong
  • 2
    120
    Correct
    Wrong
  • 3
    180
    Correct
    Wrong
  • 4
    90
    Correct
    Wrong
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Answer : 1. "135"

Q:

The LCM of x2 − 8x + 15 and x− 5x + 6 is: 

1506 0

  • 1
    (x - 2) (x - 3) (x − 5)
    Correct
    Wrong
  • 2
    (x − 6)2 (x + 1) (x − 3) 
    Correct
    Wrong
  • 3
    (x − 6) (x + 1) (x − 3)
    Correct
    Wrong
  • 4
    (x + 6) (x + 1) (x − 3)
    Correct
    Wrong
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Answer : 1. " (x - 2) (x - 3) (x − 5) "

Q:

If the four-digit number 463y is divisible by 7, then what is the value of y?

2507 0

  • 1
    4
    Correct
    Wrong
  • 2
    6
    Correct
    Wrong
  • 3
    3
    Correct
    Wrong
  • 4
    5
    Correct
    Wrong
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Answer : 1. "4"

Q:

Which of the following numbers is divisible by 11?

513 0

  • 1
    5214341
    Correct
    Wrong
  • 2
    5648741
    Correct
    Wrong
  • 3
    6598321
    Correct
    Wrong
  • 4
    2378965
    Correct
    Wrong
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Answer : 1. "5214341"

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