Number System Questions Practice Question and Answer

Q:

If difference of cube and square of a number is 100 and difference of square and number is 20, then value of number is 

1105 0

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

Q:

How many numbers can be completely divided to 240?

1103 0

  • 1
    40
    Correct
    Wrong
  • 2
    20
    Correct
    Wrong
  • 3
    35
    Correct
    Wrong
  • 4
    12
    Correct
    Wrong
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Answer : 2. "20"

Q:

What is the greatest number which will divide 110 and 128 leaving a remainder 2 in each case?

1102 0

  • 1
    18
    Correct
    Wrong
  • 2
    24
    Correct
    Wrong
  • 3
    12
    Correct
    Wrong
  • 4
    15
    Correct
    Wrong
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Answer : 1. "18"

Q:

If a and b are odd numbers, then which of the following is even?

1098 0

  • 1
    a + b + ab
    Correct
    Wrong
  • 2
    a + b - 1
    Correct
    Wrong
  • 3
    a + b + 1
    Correct
    Wrong
  • 4
    a + b + 2ab
    Correct
    Wrong
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Answer : 4. "a + b + 2ab "

Q:

N is the smallest three digit prime number. When N is divided by 13, then what will be the remainder? 

1091 0

  • 1
    7
    Correct
    Wrong
  • 2
    10
    Correct
    Wrong
  • 3
    8
    Correct
    Wrong
  • 4
    9
    Correct
    Wrong
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Answer : 2. " 10"

Q:

Direction: What is the approximate value will come in place of the question mark(?) in the following questions?
5682 ÷ 63 × 36=? ×19

1086 0

  • 1
    170
    Correct
    Wrong
  • 2
    190
    Correct
    Wrong
  • 3
    210
    Correct
    Wrong
  • 4
    240
    Correct
    Wrong
  • 5
    140
    Correct
    Wrong
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Answer : 1. "170"

Q:

How many two-digit numbers are divisible by 3 but not by 7?

1085 0

  • 1
    30
    Correct
    Wrong
  • 2
    47
    Correct
    Wrong
  • 3
    13
    Correct
    Wrong
  • 4
    26
    Correct
    Wrong
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Answer : 1. "30 "

Q:

Direction : What should come in place of the question (?) in the following question.

23.56 + 134.44+ 4142.25=?

1084 0

  • 1
    4302.25
    Correct
    Wrong
  • 2
    4300.75
    Correct
    Wrong
  • 3
    4301.25
    Correct
    Wrong
  • 4
    4300.25
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 4. "4300.25"

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