Number System Questions Practice Question and Answer

Q:

A number when divided by 119, leaves a remainder of 19. If it is divided by 17, it will leave a remainder of: 

1508 0

  • 1
    19
    Correct
    Wrong
  • 2
    7
    Correct
    Wrong
  • 3
    10
    Correct
    Wrong
  • 4
    2
    Correct
    Wrong
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Answer : 4. "2 "
Explanation :

On dividing the given number by 119, let k be the quotient and 19 as remainder.

Then, number = 119k + 19

= 17 × 7k + 17 × 1 + 2

= 17 (7k + 1) + 2

Hence, the given number when divided by 17, gives (7k + 1) as quotient and 2 as remainder.

Q:

Direction : What value should come in the place of question mark (?) in the following questions?

$$ 68\sqrt?-826=262 $$

1499 0

  • 1
    16
    Correct
    Wrong
  • 2
    256
    Correct
    Wrong
  • 3
    4
    Correct
    Wrong
  • 4
    64
    Correct
    Wrong
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Answer : 2. "256"

Q:

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

(4425÷25) ×(8.5×16) = ?

1494 0

  • 1
    23280
    Correct
    Wrong
  • 2
    24518
    Correct
    Wrong
  • 3
    22392
    Correct
    Wrong
  • 4
    24072
    Correct
    Wrong
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Answer : 4. "24072 "

Q:

The average of five consecutive number is 26, then the multiple of the first and the last number is

1487 0

  • 1
    722
    Correct
    Wrong
  • 2
    672
    Correct
    Wrong
  • 3
    648
    Correct
    Wrong
  • 4
    576
    Correct
    Wrong
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Answer : 2. "672"

Q:

The average of five natural numbers is p. If the next three numbers are included then how much the average of these 8 numbers exceeds than the average p?

1483 0

  • 1
    1.4
    Correct
    Wrong
  • 2
    1.5
    Correct
    Wrong
  • 3
    2
    Correct
    Wrong
  • 4
    1
    Correct
    Wrong
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Answer : 2. "1.5"

Q:

Direction : What should come in place of the question (?) in the following question.

√(?) + 152 = 235

1482 0

  • 1
    10
    Correct
    Wrong
  • 2
    121
    Correct
    Wrong
  • 3
    144
    Correct
    Wrong
  • 4
    100
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 2. "121"

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.

1480 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 value of $${3.157×4126×3.198\over63.972×2835.121}$$ is closest to : 

1473 0

  • 1
    0.2
    Correct
    Wrong
  • 2
    2
    Correct
    Wrong
  • 3
    0.002
    Correct
    Wrong
  • 4
    0.02
    Correct
    Wrong
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Answer : 1. "0.2 "

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