Number System Questions Practice Question and Answer

Q:

In an examination, a student was asked to find 3/11 of a certain number, by mistake, he found 3/4 of it. His answer was 315 more than the correct answer. The given number is –

1629 0

  • 1
    629
    Correct
    Wrong
  • 2
    660
    Correct
    Wrong
  • 3
    617
    Correct
    Wrong
  • 4
    576
    Correct
    Wrong
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Answer : 2. "660"

Q:

How many times the keys of a typewriter have to be pressed in order to write number from 121 to 1346?

1626 0

  • 1
    3675
    Correct
    Wrong
  • 2
    4018
    Correct
    Wrong
  • 3
    4021
    Correct
    Wrong
  • 4
    4025
    Correct
    Wrong
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Answer : 4. "4025"

Q:

Direction : What should come in place of the question (?) in the following question.

23.56 + 134.44+ 4142.25=?

1620 0

  • 1
    4302.25
    Correct
    Wrong
  • 2
    4300.75
    Correct
    Wrong
  • 3
    4301.25
    Correct
    Wrong
  • 4
    4300.25
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 4. "4300.25"

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Answer : 4. "None of these"

Q:

Direction : What should come in place of the question (?) in the following question.

$$ {2\over3}$$ of $${3\over4}$$of $${5\over8}$$ of 480=?

1612 0

  • 1
    90
    Correct
    Wrong
  • 2
    120
    Correct
    Wrong
  • 3
    240
    Correct
    Wrong
  • 4
    180
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 1. "90"

Q:

Find the value of 13/16 share of land whose 9/7 share is worth 10,116.

1612 0

  • 1
    6394.75
    Correct
    Wrong
  • 2
    6302.75
    Correct
    Wrong
  • 3
    6392.75
    Correct
    Wrong
  • 4
    6391.75
    Correct
    Wrong
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Answer : 3. "6392.75"

Q:

How many numbers are there from 500 to 650 (including both) which are neither divisible by 3 nor by 7?

1602 0

  • 1
    21
    Correct
    Wrong
  • 2
    121
    Correct
    Wrong
  • 3
    87
    Correct
    Wrong
  • 4
    99
    Correct
    Wrong
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Answer : 3. "87 "

Q:

A number divided by 13 leaves a remainder 1 and if the quotient, thus obtained, is divided by 5, we get a remainder of 3. What will be the remainder if the number is divided by 65?

1598 0

  • 1
    28
    Correct
    Wrong
  • 2
    16
    Correct
    Wrong
  • 3
    18
    Correct
    Wrong
  • 4
    40
    Correct
    Wrong
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Answer : 4. "40"
Explanation :

Let the least number be x

y = 5 × 1 + 3 = 8

x = 13 × 8 + 1 = 105

On dividing 105 by 65, remainder = 40

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