Number system Practice Question and Answer

Q:

Find the greatest number which divides 108, 124 and 156, leaving the same remainder. 

999 0

  • 1
    18
    Correct
    Wrong
  • 2
    10
    Correct
    Wrong
  • 3
    12
    Correct
    Wrong
  • 4
    16
    Correct
    Wrong
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Answer : 4. "16 "

Q:

How many numbers are there from 500 to 650 (including both) which are neither divisible by 3 nor by 7?

1394 0

  • 1
    21
    Correct
    Wrong
  • 2
    121
    Correct
    Wrong
  • 3
    87
    Correct
    Wrong
  • 4
    99
    Correct
    Wrong
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Answer : 3. "87 "

Q:

Find the greatest number 23a68b, which is divisible by 3 but NOT divisible by 9.

953 0

  • 1
    239685
    Correct
    Wrong
  • 2
    238689
    Correct
    Wrong
  • 3
    239688
    Correct
    Wrong
  • 4
    237687
    Correct
    Wrong
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Answer : 1. "239685"

Q:

Which of the following options is divisible by 11?

844 0

  • 1
    28171
    Correct
    Wrong
  • 2
    27667
    Correct
    Wrong
  • 3
    29817
    Correct
    Wrong
  • 4
    28196
    Correct
    Wrong
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Answer : 1. "28171"

Q:

The difference between a number and the square root of the number is 2. The number is:

666 0

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

Q:

What is the sum of all three-digit numbers which are divisible by 20?

1196 0

  • 1
    19400
    Correct
    Wrong
  • 2
    20500
    Correct
    Wrong
  • 3
    24300
    Correct
    Wrong
  • 4
    21800
    Correct
    Wrong
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Answer : 3. "24300"

Q:

Which of the following is the least 6-digit number that is divisible by 93?

781 0

  • 1
    100065
    Correct
    Wrong
  • 2
    100070
    Correct
    Wrong
  • 3
    100075
    Correct
    Wrong
  • 4
    100068
    Correct
    Wrong
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Answer : 4. "100068"

Q:

Which of the following options has the greatest value?

688 0

  • 1
    (−99)+(−44)−12
    Correct
    Wrong
  • 2
    20+4+(−8)−2+3+6
    Correct
    Wrong
  • 3
    (−18)−45+(−3−2)
    Correct
    Wrong
  • 4
    (−22)+(−4−7)
    Correct
    Wrong
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Answer : 2. "20+4+(−8)−2+3+6"

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