Number System Questions Practice Question and Answer

Q:

$$ {109.07\sqrt{?}}-{61\over 21.02} ×?=47.96\sqrt{?}$$

1096 0

  • 1
    441
    Correct
    Wrong
  • 2
    169
    Correct
    Wrong
  • 3
    250
    Correct
    Wrong
  • 4
    121
    Correct
    Wrong
  • 5
    324
    Correct
    Wrong
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Answer : 1. "441"

Q:

111.01 +41.23+(4.96)2 +(2.09)2=?

2568 0

  • 1
    195
    Correct
    Wrong
  • 2
    162
    Correct
    Wrong
  • 3
    181
    Correct
    Wrong
  • 4
    170
    Correct
    Wrong
  • 5
    189
    Correct
    Wrong
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Answer : 3. "181"

Q:

What should be added at least in 1140 so that it becomes a perfect square?

785 0

  • 1
    76
    Correct
    Wrong
  • 2
    16
    Correct
    Wrong
  • 3
    65
    Correct
    Wrong
  • 4
    40
    Correct
    Wrong
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Answer : 2. "16"

Q:

The largest natural number which exactly divides the product of any four consecutive natural numbers is

725 0

  • 1
    24
    Correct
    Wrong
  • 2
    120
    Correct
    Wrong
  • 3
    6
    Correct
    Wrong
  • 4
    12
    Correct
    Wrong
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Answer : 1. "24 "

Q:

The average of five consecutive number is 26, then the multiple of the first and the last number is

846 0

  • 1
    722
    Correct
    Wrong
  • 2
    672
    Correct
    Wrong
  • 3
    648
    Correct
    Wrong
  • 4
    576
    Correct
    Wrong
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Answer : 2. "672"

Q:

0.8% of a number is 31, then find the number.

989 0

  • 1
    2860
    Correct
    Wrong
  • 2
    4485
    Correct
    Wrong
  • 3
    3375
    Correct
    Wrong
  • 4
    3875
    Correct
    Wrong
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Answer : 4. "3875"

Q:

Find the sum of 2x terms of the series ( 12 - 22 + 32 - 42 + ___ ) 

660 0

  • 1
    x² ( 2x + 1 )
    Correct
    Wrong
  • 2
    - x2 ( 2x + 1 )
    Correct
    Wrong
  • 3
    x ( 2x + 1 )
    Correct
    Wrong
  • 4
    -x ( 2x + 1 )
    Correct
    Wrong
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Answer : 2. "- x2 ( 2x + 1 ) "

Q:

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

829 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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