Number System Questions Practice Question and Answer

Q:

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

1126 0

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

Q:

The smallest 5-digit number divisible by 41 is:

1122 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:

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

1122 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:

The number of pairs of natural numbers the difference of whose squares is 45 will be –

1120 0

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

Q:

What value will come in place of question mark (?) in the questions given below?
69 × 36 ÷ 7776 = 6? ÷ 216 

1115 0

  • 1
    11
    Correct
    Wrong
  • 2
    6
    Correct
    Wrong
  • 3
    8
    Correct
    Wrong
  • 4
    9
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 4. "9"

Q:

If 738 A6A is divisible by 11, then the value of A is-

1114 0

  • 1
    6
    Correct
    Wrong
  • 2
    3
    Correct
    Wrong
  • 3
    9
    Correct
    Wrong
  • 4
    1
    Correct
    Wrong
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Answer : 3. "9"

Q:

The difference between the greatest and least five-digit numbers formed by the digits 2,5,0,6,8 is (repetition of digits are not allowed) 

1113 0

  • 1
    65952
    Correct
    Wrong
  • 2
    63952
    Correct
    Wrong
  • 3
    69552
    Correct
    Wrong
  • 4
    65925
    Correct
    Wrong
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Answer : 1. "65952 "

Q:

Two numbers are respectively 30% and 40% less than a third number. What percent is the first number of the second?

1113 0

  • 1
    110.1%
    Correct
    Wrong
  • 2
    119.9%
    Correct
    Wrong
  • 3
    116.66%
    Correct
    Wrong
  • 4
    101.2%
    Correct
    Wrong
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Answer : 3. "116.66%"

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