Number system Practice Question and Answer

Q:

When the integer n is divided by 7, the remainder is 3. What is the remainder if 5n divided by 7?

1188 0

  • 1
    3
    Correct
    Wrong
  • 2
    0
    Correct
    Wrong
  • 3
    1
    Correct
    Wrong
  • 4
    2
    Correct
    Wrong
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Answer : 3. "1"

Q:

A number is divided by 6 and 5 is added to this quotient Again sum is divided by 9 and the quotient obtained is 1. Find the number.

1187 0

  • 1
    24
    Correct
    Wrong
  • 2
    42
    Correct
    Wrong
  • 3
    54
    Correct
    Wrong
  • 4
    30
    Correct
    Wrong
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Answer : 1. "24"

Q:

The sum of the digits of a 2 digit number is 9. When 27 is added to the number, the digits get interchanged. Find the number.

1183 0

  • 1
    45
    Correct
    Wrong
  • 2
    36
    Correct
    Wrong
  • 3
    18
    Correct
    Wrong
  • 4
    27
    Correct
    Wrong
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Answer : 2. "36"

Q:

What is the quotient , when 2645 is divided by 48 ? 

1179 0

  • 1
    53
    Correct
    Wrong
  • 2
    55
    Correct
    Wrong
  • 3
    57
    Correct
    Wrong
  • 4
    51
    Correct
    Wrong
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Answer : 2. "55 "

Q:

Each member of a Picnic party contributed twice as many rupees as the total collection was Rs.3042. The number of members present in the party was 

1179 0

  • 1
    2
    Correct
    Wrong
  • 2
    32
    Correct
    Wrong
  • 3
    42
    Correct
    Wrong
  • 4
    39
    Correct
    Wrong
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Answer : 4. "39"
Explanation :

Let the required number of persons be x.

According to the question, 2x2 = 3042

Or

or 

Q:

What value will come in place of question mark (?) in the questions given below?

837 ÷ ? × 0.8 = 9.3 

1178 0

  • 1
    72
    Correct
    Wrong
  • 2
    78
    Correct
    Wrong
  • 3
    76
    Correct
    Wrong
  • 4
    75
    Correct
    Wrong
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Answer : 1. "72 "

Q:

The greatest number which when divided by 989 and 1327 leaves remainder 5 and 7 respectively is

1178 0

  • 1
    8
    Correct
    Wrong
  • 2
    16
    Correct
    Wrong
  • 3
    24
    Correct
    Wrong
  • 4
    32
    Correct
    Wrong
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Answer : 3. "24 "

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