Number System Questions Practice Question and Answer

Q:

What is the smallest number of 5 digits which is exactly divisible by 12, 24, 48, 60 and 96?

1093 0

  • 1
    10000
    Correct
    Wrong
  • 2
    10024
    Correct
    Wrong
  • 3
    10080
    Correct
    Wrong
  • 4
    10160
    Correct
    Wrong
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Answer : 3. "10080"

Q:

The product of two numbers is 45 and their difference is 4. The sum of squares of the two numbers is

1087 0

  • 1
    135
    Correct
    Wrong
  • 2
    240
    Correct
    Wrong
  • 3
    73
    Correct
    Wrong
  • 4
    106
    Correct
    Wrong
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Answer : 4. "106"

Q:

Which of the following is the largest fraction   $${6\over7},{5\over6},{7\over8},{4\over5} ?$$ 

1086 0

  • 1
    $${6\over7}$$
    Correct
    Wrong
  • 2
    $${5\over6}$$
    Correct
    Wrong
  • 3
    $${7\over8}$$
    Correct
    Wrong
  • 4
    $${4\over5}$$
    Correct
    Wrong
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Answer : 3. "$${7\over8}$$"

Q:

Find the least number which when divided by 12, 15, 18 and 27 leaves remainders 10, 13, 16 and 25 respectively.

1084 0

  • 1
    540
    Correct
    Wrong
  • 2
    538
    Correct
    Wrong
  • 3
    542
    Correct
    Wrong
  • 4
    552
    Correct
    Wrong
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Answer : 2. "538"

Q:

If the number x3339 is divisible by 11, what is the face value of x?

1084 0

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

Q:

What will be come in place of question mark(?) in the following number series?
13 , 14 , 30 , 93, ?, 1885

1083 0

  • 1
    358
    Correct
    Wrong
  • 2
    336
    Correct
    Wrong
  • 3
    364
    Correct
    Wrong
  • 4
    376
    Correct
    Wrong
  • 5
    356
    Correct
    Wrong
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Answer : 4. "376"

Q:

The mean of the first 7 prime numbers is:

1082 0

  • 1
    7
    Correct
    Wrong
  • 2
    13
    Correct
    Wrong
  • 3
    5
    Correct
    Wrong
  • 4
    11
    Correct
    Wrong
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Answer : 1. "7"

Q:

The real number to be added to 13851 to get a number that is divisible by 87 is :

1082 0

  • 1
    18
    Correct
    Wrong
  • 2
    43
    Correct
    Wrong
  • 3
    54
    Correct
    Wrong
  • 4
    69
    Correct
    Wrong
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Answer : 4. "69"

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