Number System Questions Practice Question and Answer

Q:

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

1206 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:

A number is doubled and 9 is added. If the resultant is tripled, it becomes 75. What is that number? 

1206 0

  • 1
    6
    Correct
    Wrong
  • 2
    3.5
    Correct
    Wrong
  • 3
    18
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
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Answer : 3. "18 "

Q:

When a number is increased by 28, it becomes 107% of itself. What is the number?

1206 0

  • 1
    336
    Correct
    Wrong
  • 2
    420
    Correct
    Wrong
  • 3
    400
    Correct
    Wrong
  • 4
    252
    Correct
    Wrong
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Answer : 3. "400"

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 

1202 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 smallest 5-digit number divisible by 41 is:

1201 0

  • 1
    10045
    Correct
    Wrong
  • 2
    10041
    Correct
    Wrong
  • 3
    10004
    Correct
    Wrong
  • 4
    41000
    Correct
    Wrong
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Answer : 3. "10004"

Q:

The third proportional of two numbers 9 and  24 is

1195 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:

How many number are there from 700 to 950 (Including both) which are neither divisible by 3 nor by 7?

1190 0

  • 1
    107
    Correct
    Wrong
  • 2
    141
    Correct
    Wrong
  • 3
    144
    Correct
    Wrong
  • 4
    145
    Correct
    Wrong
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Answer : 3. "144"

Q:

What is the sum of two consecutive even numbers, the difference of whose square is 84? 

1188 0

  • 1
    42
    Correct
    Wrong
  • 2
    46
    Correct
    Wrong
  • 3
    38
    Correct
    Wrong
  • 4
    34
    Correct
    Wrong
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Answer : 1. "42 "

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