Number System Questions Practice Question and Answer

Q:

The sum of the two - digit number is 6 and the number and its flip (digits written in reverse order) both are multiples of 3. If the difference between them is 36, then which of the following is the required number and its flip? 

1198 0

  • 1
    51 or 15
    Correct
    Wrong
  • 2
    42 or 24
    Correct
    Wrong
  • 3
    33 or 33
    Correct
    Wrong
  • 4
    60 or 06
    Correct
    Wrong
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Answer : 1. "51 or 15"

Q:

Select the set in which the numbers are related in the same way as the numbers of the following set.
 (12, 30, 204)

1181 0

  • 1
    (9, 12, 225)
    Correct
    Wrong
  • 2
    (11, 15, 236)
    Correct
    Wrong
  • 3
    (4, 12, 28)
    Correct
    Wrong
  • 4
    (15, 20, 265)
    Correct
    Wrong
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Answer : 4. "(15, 20, 265)"

Q:

If all the vowels are arranged in alphabetical order from left to right and after that, all the consonants are arranged in alphabetical order from left to right of the word ‘ALONGWITH’, then which letter is fourth from the right end?

1166 0

  • 1
    T
    Correct
    Wrong
  • 2
    L
    Correct
    Wrong
  • 3
    G
    Correct
    Wrong
  • 4
    O
    Correct
    Wrong
  • 5
    W
    Correct
    Wrong
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Answer : 2. "L"

Q:

In a proportion, the 1st , 2nd and 4th  terms are 51, 68 and 108, respectively. What is the 3rd term?

1154 0

  • 1
    82
    Correct
    Wrong
  • 2
    81
    Correct
    Wrong
  • 3
    83
    Correct
    Wrong
  • 4
    84
    Correct
    Wrong
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Answer : 2. "81"

Q:

The sum of square of three positive integers is 323. If the sum of squares of two numbers is twice the third, their product is

1151 0

  • 1
    255
    Correct
    Wrong
  • 2
    260
    Correct
    Wrong
  • 3
    265
    Correct
    Wrong
  • 4
    270
    Correct
    Wrong
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Answer : 1. "255"

Q:

The cube of 997 is

1129 0

  • 1
    991026973
    Correct
    Wrong
  • 2
    991029673
    Correct
    Wrong
  • 3
    991029773
    Correct
    Wrong
  • 4
    991027273
    Correct
    Wrong
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Answer : 1. "991026973"
Explanation :

Q:

The sum of three numbers is 252. If the first number is thrice the second and third number is two-third of the first, then the second number is

1118 0

  • 1
    41
    Correct
    Wrong
  • 2
    21
    Correct
    Wrong
  • 3
    42
    Correct
    Wrong
  • 4
    84
    Correct
    Wrong
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Answer : 3. "42"

Q:

A divisor is 15 times the quotient and 3 times the remainder. If the remainder is 40, find the dividend.

1107 0

  • 1
    900
    Correct
    Wrong
  • 2
    750
    Correct
    Wrong
  • 3
    1000
    Correct
    Wrong
  • 4
    600
    Correct
    Wrong
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Answer : 3. "1000"

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