Number System Questions Practice Question and Answer

Q:

Which one of the following represents the number' eleven thousand eleven hundred eleven'?

1015 0

  • 1
    111111
    Correct
    Wrong
  • 2
    12111
    Correct
    Wrong
  • 3
    11000110011
    Correct
    Wrong
  • 4
    XIXIXI
    Correct
    Wrong
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Answer : 2. "12111 "

Q:

Find the maximum number of students among them 1001 pens and 910 pencils can be distributed in such a way that each student gets the same number of pens and same number of pencils.

1014 0

  • 1
    910
    Correct
    Wrong
  • 2
    1911
    Correct
    Wrong
  • 3
    91
    Correct
    Wrong
  • 4
    1001
    Correct
    Wrong
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Answer : 3. "91"

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.

1010 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:

If the 5-digit number 535ab is divisible by 3, 7 and 11, then what is the value of (a2 - b2 + ab)?

1009 0

  • 1
    77
    Correct
    Wrong
  • 2
    89
    Correct
    Wrong
  • 3
    95
    Correct
    Wrong
  • 4
    83
    Correct
    Wrong
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Answer : 3. "95"

Q:

The value of (81)3.6 * (9)2.7/ (81)4.2 * (3) is __

1007 0

  • 1
    3
    Correct
    Wrong
  • 2
    6
    Correct
    Wrong
  • 3
    9
    Correct
    Wrong
  • 4
    8.2
    Correct
    Wrong
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Answer : 3. "9"
Explanation :

(81)3.6 * (9)2.7/(81)4.2 * (3) = (3)14.4 * (3)5.4/(3)16.8 * (3)

= 314.4+5.4-16.8-1

= 32

= 9 

Q:

On adding a natural number P to the product of four consecutive natural numbers we get a perfect square number. The minimum value of P is:

1006 0

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

Q:

A number when divided by 192 gives a remainder of 54. What remainder would be obtained on dividing the same number by 16 ?

1004 0

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

Here, the first divisor 192 is a multiple of second divisor 16.

∴ Required remainder

= remainder obtained by dividing 54 by 16 = 6

Q:

The largest natural number which exactly divides the product of any four consecutive natural numbers is

1003 0

  • 1
    24
    Correct
    Wrong
  • 2
    120
    Correct
    Wrong
  • 3
    6
    Correct
    Wrong
  • 4
    12
    Correct
    Wrong
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Answer : 1. "24 "

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