Number System Questions Practice Question and Answer

Q:

The second number in the given number-pairs is obtained by performing certain mathematical operation(s) on the first number. The same operation(s) are followed in all the number-pairs EXCEPT one. Find that odd number-pair.

671 0

  • 1
    169 : 14
    Correct
    Wrong
  • 2
    225 : 18
    Correct
    Wrong
  • 3
    196 : 17
    Correct
    Wrong
  • 4
    256 : 19
    Correct
    Wrong
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Answer : 1. "169 : 14 "

Q:

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

456 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?

417 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"

Q:

If 30% of a = b, then b% of 50 is the same as:

521 0

  • 1
    5% of a
    Correct
    Wrong
  • 2
    10% of a
    Correct
    Wrong
  • 3
    15% of a
    Correct
    Wrong
  • 4
    12% of a
    Correct
    Wrong
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Answer : 3. "15% of a"

Q:

What is the average of the first 13 odd numbers?

418 0

  • 1
    14
    Correct
    Wrong
  • 2
    13.5
    Correct
    Wrong
  • 3
    12
    Correct
    Wrong
  • 4
    13
    Correct
    Wrong
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Answer : 4. "13"

Q:

There are two numbers such that the first number is four times of the second mumber. If their average is 65, then what is the second number?

478 0

  • 1
    26
    Correct
    Wrong
  • 2
    14
    Correct
    Wrong
  • 3
    24
    Correct
    Wrong
  • 4
    28
    Correct
    Wrong
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Answer : 1. "26"

Q:

The average of six consecutive odd numbers is 26. Find the difference between the largest and the smallest of these numbers.

582 0

  • 1
    8
    Correct
    Wrong
  • 2
    16
    Correct
    Wrong
  • 3
    10
    Correct
    Wrong
  • 4
    12
    Correct
    Wrong
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Answer : 3. "10"

Q:

If 738 A6A is divisible by 11, then the value of A is-

581 0

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

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