Number System Questions Practice Question and Answer

Q:

If the sum of first three natural numbers from a group of six consecutive natural numbers is 36, then the sum of last three natural numbers will be? 

1507 0

  • 1
    45
    Correct
    Wrong
  • 2
    52
    Correct
    Wrong
  • 3
    56
    Correct
    Wrong
  • 4
    55
    Correct
    Wrong
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Answer : 1. "45"

Q:

The numerator of a fraction is 4 less than its denominator. If the numerator is decreased by 2 and the denominator is increased by 1, the denominator becomes eight times the numerator. Find the fraction? 

1506 0

  • 1
    $${4\over 8} $$
    Correct
    Wrong
  • 2
    $${2\over 7} $$
    Correct
    Wrong
  • 3
    $${3\over 8} $$
    Correct
    Wrong
  • 4
    $${3\over 7} $$
    Correct
    Wrong
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Answer : 4. "$${3\over 7} $$"

Q:

What is the smallest number of 5 digits which is exactly divisible by 12, 24, 48, 60 and 96?

1501 0

  • 1
    10000
    Correct
    Wrong
  • 2
    10024
    Correct
    Wrong
  • 3
    10080
    Correct
    Wrong
  • 4
    10160
    Correct
    Wrong
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Answer : 3. "10080"

Q:

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

11283 + 25 % of ? + 727 = 13280 

1496 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 "

Q:

If the sum of a number and its reciprocal be 2, then the number is-

1496 0

  • 1
    0
    Correct
    Wrong
  • 2
    1
    Correct
    Wrong
  • 3
    -1
    Correct
    Wrong
  • 4
    2
    Correct
    Wrong
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Answer : 2. "1"

Q:

What is the sum of first 14 natural numbers?

1496 0

  • 1
    91
    Correct
    Wrong
  • 2
    120
    Correct
    Wrong
  • 3
    105
    Correct
    Wrong
  • 4
    110
    Correct
    Wrong
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Answer : 3. "105"

Q:

What will be come in place of question mark(?) in the following number series?
13 , 14 , 30 , 93, ?, 1885

1495 0

  • 1
    358
    Correct
    Wrong
  • 2
    336
    Correct
    Wrong
  • 3
    364
    Correct
    Wrong
  • 4
    376
    Correct
    Wrong
  • 5
    356
    Correct
    Wrong
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Answer : 4. "376"

Q:

The sum of two digit number is 16. If the digit is interchanged the number is formed 18 less than the original number. Find the original number.

1492 0

  • 1
    93
    Correct
    Wrong
  • 2
    84
    Correct
    Wrong
  • 3
    97
    Correct
    Wrong
  • 4
    56
    Correct
    Wrong
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Answer : 3. "97"

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