Number System Questions Practice Question and Answer

Q:

In a division sum, the divisor is ten times the quotient and five times the remainder. If the remainder is 46, find the dividend.

1373 1

  • 1
    5336
    Correct
    Wrong
  • 2
    5391
    Correct
    Wrong
  • 3
    5388
    Correct
    Wrong
  • 4
    5343
    Correct
    Wrong
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Answer : 1. "5336"

Q:

When 1062, 1134 and 1182 are divided by the greatest number .x, the remainder in each case is y. What is the value of (x − y)?

1372 0

  • 1
    17
    Correct
    Wrong
  • 2
    18
    Correct
    Wrong
  • 3
    16
    Correct
    Wrong
  • 4
    19
    Correct
    Wrong
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Answer : 2. "18"
Explanation :

The value of (x-y) will be 18

Q:

A number which when divided by 10 leaves a remainder of 9 , when divided by 9 leaves a remainder of 8 , and when divided by 8 leaves a remainder of 7 , is :

1367 0

  • 1
    1539
    Correct
    Wrong
  • 2
    539
    Correct
    Wrong
  • 3
    359
    Correct
    Wrong
  • 4
    1359
    Correct
    Wrong
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Answer : 3. "359 "

Q:

Find the mode for the given distribution (rounded off to two decimal places)

Class                             5-10 10-15 15-20 20-25 25-30 30-35

Interval Frequency       8         7          6         9          11      10

1366 0

  • 1
    35.25
    Correct
    Wrong
  • 2
    40.25
    Correct
    Wrong
  • 3
    30.33
    Correct
    Wrong
  • 4
    28.33
    Correct
    Wrong
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Answer : 4. "28.33"

Q:

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

4 × 52 – 32 × 7 + 62=?+24

1366 0

  • 1
    $$ {7^2}$$
    Correct
    Wrong
  • 2
    $$ {8^2}$$
    Correct
    Wrong
  • 3
    $$ {9^2}$$
    Correct
    Wrong
  • 4
    $$ {4^2}$$
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 1. "$$ {7^2}$$"

Q:

What is the smallest digit that must be added to the product 5786 × 5784 to make it a perfect square?

1361 0

  • 1
    1
    Correct
    Wrong
  • 2
    6
    Correct
    Wrong
  • 3
    5
    Correct
    Wrong
  • 4
    4
    Correct
    Wrong
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Answer : 3. "5"

Q:

3¹¹ + 3¹² + 3¹³ + 3¹⁴ is divisible by which of the following?

1360 0

  • 1
    7
    Correct
    Wrong
  • 2
    8
    Correct
    Wrong
  • 3
    11
    Correct
    Wrong
  • 4
    14
    Correct
    Wrong
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Answer : 2. "8"

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?

1359 0

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

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