Number system Practice Question and Answer

Q:

Find the number of Prime Factor of $${(4^{22}+{4^{22}}+{4^{22}}}+{4^{22})}{(3^{22}+3^{22}+{3^{22}})}$$.

1872 0

  • 1
    50
    Correct
    Wrong
  • 2
    60
    Correct
    Wrong
  • 3
    40
    Correct
    Wrong
  • 4
    69
    Correct
    Wrong
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Answer : 4. "69"

Q:

The difference between the greatest and the least four-digit numbers that begins with 3 and ends with 5 is: 

1265 0

  • 1
    909
    Correct
    Wrong
  • 2
    990
    Correct
    Wrong
  • 3
    900
    Correct
    Wrong
  • 4
    999
    Correct
    Wrong
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Answer : 2. "990"

Q:

The greatest number that can be subtracted from 10000 so that the remainder may be divisible by 32, 36, 48 and 54 is:

1442 0

  • 1
    9216
    Correct
    Wrong
  • 2
    9316
    Correct
    Wrong
  • 3
    9136
    Correct
    Wrong
  • 4
    9236
    Correct
    Wrong
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Answer : 3. "9136"

Q:

If the arithmetic means of 3a and 4b is greater than 50, and a is twice b, then the smallest possible integer value of a is: 

1528 0

  • 1
    18
    Correct
    Wrong
  • 2
    19
    Correct
    Wrong
  • 3
    20
    Correct
    Wrong
  • 4
    21
    Correct
    Wrong
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Answer : 4. "21 "

Q:

The difference between the greatest and least five-digit numbers formed by the digits 2,5,0,6,8 is (repetition of digits are not allowed) 

1119 0

  • 1
    65952
    Correct
    Wrong
  • 2
    63952
    Correct
    Wrong
  • 3
    69552
    Correct
    Wrong
  • 4
    65925
    Correct
    Wrong
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Answer : 1. "65952 "

Q:

The number of integers in between 100 and 600, which are divisible by 4 and 6 both, is: 

1567 0

  • 1
    41
    Correct
    Wrong
  • 2
    50
    Correct
    Wrong
  • 3
    40
    Correct
    Wrong
  • 4
    42
    Correct
    Wrong
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Answer : 1. "41 "

Q:

N is the smallest three digit prime number. When N is divided by 13, then what will be the remainder? 

1471 0

  • 1
    7
    Correct
    Wrong
  • 2
    10
    Correct
    Wrong
  • 3
    8
    Correct
    Wrong
  • 4
    9
    Correct
    Wrong
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Answer : 2. " 10"

Q:

Divide 32 into two parts such that the sum of the square of the parts is 674 what is the value of the parts? 

1456 0

  • 1
    25, 7
    Correct
    Wrong
  • 2
    20,12
    Correct
    Wrong
  • 3
    22,10
    Correct
    Wrong
  • 4
    30,2
    Correct
    Wrong
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Answer : 1. "25, 7 "

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