Number System Questions Practice Question and Answer

Q:

All 32 students in a class are standing in a row facing north. Akash is 12th from the right end while Priya is 18th from the left end. How many people are standing between Akash and Priya?

1445 0

  • 1
    Two
    Correct
    Wrong
  • 2
    Four
    Correct
    Wrong
  • 3
    Three
    Correct
    Wrong
  • 4
    Five
    Correct
    Wrong
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Answer : 1. "Two"

Q:

If the 5-digit number 535ab is divisible by 3, 7 and 11, then what is the value of (a2 - b2 + ab)?

474 0

  • 1
    77
    Correct
    Wrong
  • 2
    89
    Correct
    Wrong
  • 3
    95
    Correct
    Wrong
  • 4
    83
    Correct
    Wrong
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Answer : 3. "95"

Q:

The product of 1.7 ´ 104 and 12.5 ´ 10–6 is expressed in the standard form as k ´ 10n . The value of (2k + n) is

447 0

  • 1
    2.125
    Correct
    Wrong
  • 2
    1.125
    Correct
    Wrong
  • 3
    2.25
    Correct
    Wrong
  • 4
    3.25
    Correct
    Wrong
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Answer : 4. "3.25"

Q:

The largest three-digit number that gives the same remainder 2 when divided by 3, 5 and 9 is ________.

636 0

  • 1
    999
    Correct
    Wrong
  • 2
    984
    Correct
    Wrong
  • 3
    998
    Correct
    Wrong
  • 4
    992
    Correct
    Wrong
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Answer : 4. "992"

Q:

The number 2918245 is divisible by which of the following numbers?

1055 0

  • 1
    3
    Correct
    Wrong
  • 2
    11
    Correct
    Wrong
  • 3
    12
    Correct
    Wrong
  • 4
    9
    Correct
    Wrong
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Answer : 2. "11"

Q:

The number 1254216 is divisible by which of the following numbers?

1403 0

  • 1
    5
    Correct
    Wrong
  • 2
    11
    Correct
    Wrong
  • 3
    16
    Correct
    Wrong
  • 4
    8
    Correct
    Wrong
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Answer : 4. "8"

Q:

Amit ranked 7th from the top and 26th from the bottom in his class. How many students are there in the class?

535 0

  • 1
    31
    Correct
    Wrong
  • 2
    33
    Correct
    Wrong
  • 3
    27
    Correct
    Wrong
  • 4
    32
    Correct
    Wrong
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Answer : 4. "32"

Q:

Find the mode for the given distribution (rounded off to two decimal places)

Class                             5-10 10-15 15-20 20-25 25-30 30-35

Interval Frequency       8         7          6         9          11      10

482 0

  • 1
    35.25
    Correct
    Wrong
  • 2
    40.25
    Correct
    Wrong
  • 3
    30.33
    Correct
    Wrong
  • 4
    28.33
    Correct
    Wrong
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Answer : 4. "28.33"

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