Number system Practice Question and Answer

Q:

Adding 335 to 5A7 results in 8B2. The number 8B2 is divisible by 3. Accordingly, what will be the maximum possible value of A?

932 0

  • 1
    8
    Correct
    Wrong
  • 2
    4
    Correct
    Wrong
  • 3
    2
    Correct
    Wrong
  • 4
    6
    Correct
    Wrong
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Answer : 2. "4"

Q:

The least number that should be added to 35460 so that the sum is exactly divisible by 3, 4, 5 and 7 is:

924 0

  • 1
    180
    Correct
    Wrong
  • 2
    420
    Correct
    Wrong
  • 3
    240
    Correct
    Wrong
  • 4
    84
    Correct
    Wrong
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Answer : 3. "240 "

Q:

The product of two consecutive even numbers is 168. Find the sum of the numbers?

920 0

  • 1
    20
    Correct
    Wrong
  • 2
    22
    Correct
    Wrong
  • 3
    24
    Correct
    Wrong
  • 4
    26
    Correct
    Wrong
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Answer : 4. "26"

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Answer : 1. "12"

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.

914 0

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

Q:

Find the value of p, when p= ( 5÷ 6 ) of 54 - 40 + 10 - 41 - 22

909 0

  • 1
    -11
    Correct
    Wrong
  • 2
    - 22
    Correct
    Wrong
  • 3
    -18
    Correct
    Wrong
  • 4
    -23
    Correct
    Wrong
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Answer : 2. "- 22"

Q:

Find the sum of 2x terms of the series ( 12 - 22 + 32 - 42 + ___ ) 

904 0

  • 1
    x² ( 2x + 1 )
    Correct
    Wrong
  • 2
    - x2 ( 2x + 1 )
    Correct
    Wrong
  • 3
    x ( 2x + 1 )
    Correct
    Wrong
  • 4
    -x ( 2x + 1 )
    Correct
    Wrong
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Answer : 2. "- x2 ( 2x + 1 ) "

Q:

Find the greatest value of (a + b) such than an 8-digit number 4523a60 b is divisible by 15.

894 0

  • 1
    13
    Correct
    Wrong
  • 2
    15
    Correct
    Wrong
  • 3
    11
    Correct
    Wrong
  • 4
    9
    Correct
    Wrong
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Answer : 1. "13 "

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