Number System Questions Practice Question and Answer

Q:

What least value must be assigned to ‘*’ so that the number 63576 * 2 is divisible by 8?

1200 0

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

Q:

 The least number by which 448 is to be divided to make it a perfect cube is

1194 0

  • 1
    6
    Correct
    Wrong
  • 2
    7
    Correct
    Wrong
  • 3
    8
    Correct
    Wrong
  • 4
    9
    Correct
    Wrong
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Answer : 2. "7"

Q:

The greatest number that can be subtracted from 10000 so that the remainder may be divisible by 32, 36, 48 and 54 is:

1189 0

  • 1
    9216
    Correct
    Wrong
  • 2
    9316
    Correct
    Wrong
  • 3
    9136
    Correct
    Wrong
  • 4
    9236
    Correct
    Wrong
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Answer : 3. "9136"

Q:

Find the value of 13/16 share of land whose 9/7 share is worth 10,116.

1184 0

  • 1
    6394.75
    Correct
    Wrong
  • 2
    6302.75
    Correct
    Wrong
  • 3
    6392.75
    Correct
    Wrong
  • 4
    6391.75
    Correct
    Wrong
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Answer : 3. "6392.75"

Q:

0.1 and   $${5\over 8}$$ of a bamboo are in mud and water respectively and the rest of length 2.75 m is above water. What is the length of the bamboo? 

1183 0

  • 1
    27.5 m
    Correct
    Wrong
  • 2
    20 m
    Correct
    Wrong
  • 3
    10 m
    Correct
    Wrong
  • 4
    30 m
    Correct
    Wrong
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Answer : 3. "10 m "

Q:

Product of digits of a 2-digit number is 27. If we add  54 to the number, the new number obtained is a number formed by interchange of the digits. Find the number.

1179 0

  • 1
    42
    Correct
    Wrong
  • 2
    93
    Correct
    Wrong
  • 3
    63
    Correct
    Wrong
  • 4
    39
    Correct
    Wrong
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Answer : 4. "39"

Q:

The total cost of 18 pens and 23 pencils is Rs. 231, while the total cost of 7 pens and 13 pencils is Rs. 102. What is the cost of 4 pens and 9 pencils?

1173 1

  • 1
    54
    Correct
    Wrong
  • 2
    108
    Correct
    Wrong
  • 3
    72
    Correct
    Wrong
  • 4
    63
    Correct
    Wrong
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Answer : 4. "63"

Q:

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

1166 0

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

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