Number System Questions Practice Question and Answer

Q:

The median of 31, 25, 17, 23, 45 and 59 is:

1717 0

  • 1
    23
    Correct
    Wrong
  • 2
    25
    Correct
    Wrong
  • 3
    31
    Correct
    Wrong
  • 4
    28
    Correct
    Wrong
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Answer : 4. "28"

Q:

The difference between the average of squares of the last four numbers and the product of the first two numbers of 6 consecutive odd numbers is 114. Find the first number.

1700 0

  • 1
    5
    Correct
    Wrong
  • 2
    8
    Correct
    Wrong
  • 3
    6
    Correct
    Wrong
  • 4
    7
    Correct
    Wrong
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Answer : 1. "5 "

Q:

Two number 11284 and 7655, when divided by a certain number of three digits, leaves the same remainder. The sum of digits of such a three - digits number is: 

1699 0

  • 1
    25
    Correct
    Wrong
  • 2
    250
    Correct
    Wrong
  • 3
    125
    Correct
    Wrong
  • 4
    225
    Correct
    Wrong
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Answer : 3. "125 "

Q:

The sum of four consecutive even number is 748.The smallest among them is-

1698 0

  • 1
    168
    Correct
    Wrong
  • 2
    159
    Correct
    Wrong
  • 3
    172
    Correct
    Wrong
  • 4
    184
    Correct
    Wrong
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Answer : 4. "184"

Q:

Of the three numbers, the sum of the first two is 55, sum of the second and third is 65 and sum of third with thrice of the first is 110. The third number is: 

1694 0

  • 1
    25
    Correct
    Wrong
  • 2
    30
    Correct
    Wrong
  • 3
    35
    Correct
    Wrong
  • 4
    28
    Correct
    Wrong
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Answer : 3. "35"

Q:

A number when divided by 893 the remainder is 193. What will be the remainder when it is divided by 47?

1693 0

  • 1
    19
    Correct
    Wrong
  • 2
    5
    Correct
    Wrong
  • 3
    30
    Correct
    Wrong
  • 4
    23
    Correct
    Wrong
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Answer : 2. "5"

Q:

Let x be the least number divisible by 13, such that when x is divided by 4, 5, 6, 7, 8 and 12, the remainder in each case is 2. The sum of the digits of x is:

1689 0

  • 1
    10
    Correct
    Wrong
  • 2
    9
    Correct
    Wrong
  • 3
    8
    Correct
    Wrong
  • 4
    11
    Correct
    Wrong
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Answer : 4. "11"

Q:

Which is the largest 3 digit number that is exactly divisible by 15, 25 and 30?

1687 0

  • 1
    975
    Correct
    Wrong
  • 2
    930
    Correct
    Wrong
  • 3
    960
    Correct
    Wrong
  • 4
    900
    Correct
    Wrong
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Answer : 4. "900 "

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