Number System Questions Practice Question and Answer

Q:

Sum of two numbers is 15 and sum of their reciprocals is $$ {15\over56}$$. The two numbers are

929 0

  • 1
    4, 11
    Correct
    Wrong
  • 2
    5, 10
    Correct
    Wrong
  • 3
    6, 9
    Correct
    Wrong
  • 4
    7, 8
    Correct
    Wrong
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Answer : 4. "7, 8"

Q:

The value of $$ { 32^{0.16}×32^{0.04}}$$ is:

926 0

  • 1
    2
    Correct
    Wrong
  • 2
    $$ {1\over 2}$$
    Correct
    Wrong
  • 3
    4
    Correct
    Wrong
  • 4
    $$ {1\over 4}$$
    Correct
    Wrong
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Answer : 1. "2"

Q:

(0.5 ×5 + 0.25 ×0.5 + 0.5 × 4 + 0.5 ×0.75) is equal to-

915 0

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

Q:

The least number that must be added to 8961 to make it exactly divisible by 84 is 

913 0

  • 1
    141
    Correct
    Wrong
  • 2
    107
    Correct
    Wrong
  • 3
    27
    Correct
    Wrong
  • 4
    57
    Correct
    Wrong
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Answer : 3. "27 "

Q:

Three numbers are such that if the average of any two of them is added to the third number, the sums obtained are 168, 174 and 180 respectively. What is the average of the original three numbers?

908 0

  • 1
    84
    Correct
    Wrong
  • 2
    87
    Correct
    Wrong
  • 3
    89
    Correct
    Wrong
  • 4
    86
    Correct
    Wrong
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Answer : 2. "87"

Q:

Each member of a Picnic party contributed twice as many rupees as the total collection was Rs.3042. The number of members present in the party was 

905 0

  • 1
    2
    Correct
    Wrong
  • 2
    32
    Correct
    Wrong
  • 3
    42
    Correct
    Wrong
  • 4
    39
    Correct
    Wrong
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Answer : 4. "39"
Explanation :

Let the required number of persons be x.

According to the question, 2x2 = 3042

Or

or 

Q:

The third proportional of two numbers 9 and  24 is

903 0

  • 1
    39
    Correct
    Wrong
  • 2
    48
    Correct
    Wrong
  • 3
    72
    Correct
    Wrong
  • 4
    64
    Correct
    Wrong
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Answer : 4. "64"

Q:

Direction : What value should come in the place of question mark (?) in the following questions?

11283 + 25 % of ? + 727 = 13280 

902 0

  • 1
    None of these
    Correct
    Wrong
  • 2
    5020
    Correct
    Wrong
  • 3
    5280
    Correct
    Wrong
  • 4
    15180
    Correct
    Wrong
  • 5
    5280
    Correct
    Wrong
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Answer : 1. "None of these "

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