Number system Practice Question and Answer

Q:

What should be the least added to 41116 so that the sum is divisible by 8?

832 0

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

Q:

If a shopkeeper buys 2 oranges for Rs.5 and sells 3 for Rs.7 only, then what percentage of loss and loss did he gain?

881 0

  • 1
    6.66%
    Correct
    Wrong
  • 2
    10.66%
    Correct
    Wrong
  • 3
    12.66%
    Correct
    Wrong
  • 4
    2.66%
    Correct
    Wrong
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Answer : 1. "6.66%"

Q:

many times will the buttons of a typewriter be pressed to write the numbers 121 to 1346?

942 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:

The product of two consecutive even numbers is 168. Find the sum of the numbers?

915 0

  • 1
    20
    Correct
    Wrong
  • 2
    22
    Correct
    Wrong
  • 3
    24
    Correct
    Wrong
  • 4
    26
    Correct
    Wrong
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Answer : 4. "26"

Q:

Which of the following numbers is divisible by 25?

1012 0

  • 1
    303310
    Correct
    Wrong
  • 2
    373355
    Correct
    Wrong
  • 3
    303375
    Correct
    Wrong
  • 4
    22040
    Correct
    Wrong
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Answer : 3. "303375"

Q:

3¹¹ + 3¹² + 3¹³ + 3¹⁴ is divisible by which of the following?

932 0

  • 1
    7
    Correct
    Wrong
  • 2
    8
    Correct
    Wrong
  • 3
    11
    Correct
    Wrong
  • 4
    14
    Correct
    Wrong
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Answer : 2. "8"

Q:

The mean of 20 items is 55. If two items 45 and 30 are removed, what will be the new mean of the remaining items?

1052 0

  • 1
    65.1
    Correct
    Wrong
  • 2
    65.3
    Correct
    Wrong
  • 3
    56.9
    Correct
    Wrong
  • 4
    56
    Correct
    Wrong
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Answer : 1. "65.1"

Q:

If 42573* is exactly divisible by 72, then what will come in place of *?

851 0

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

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