Number System Questions Practice Question and Answer

Q:

A man spends 1/4th of his income on food, 2/3rd of it on house rent and the remaining income which is Rs. 630 on other commodities. Find his house rent.

10756 2

  • 1
    Rs. 5040
    Correct
    Wrong
  • 2
    Rs. 3520
    Correct
    Wrong
  • 3
    Rs. 4890
    Correct
    Wrong
  • 4
    Rs. 4458
    Correct
    Wrong
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Answer : 1. "Rs. 5040"

Q:

1/5 of a number exceeds 1/7 of the same number by 10. The number is:

3500 1

  • 1
    25
    Correct
    Wrong
  • 2
    150
    Correct
    Wrong
  • 3
    175
    Correct
    Wrong
  • 4
    200
    Correct
    Wrong
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Answer : 3. "175"

Q: Smallest prime number greater than 200? 1788 0

  • 1
    201
    Correct
    Wrong
  • 2
    205
    Correct
    Wrong
  • 3
    211
    Correct
    Wrong
  • 4
    203
    Correct
    Wrong
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Answer : 3. "211"
Explanation :

Answer: C) 211 Explanation: From the trial and error method of division, 201 is divisible by 3 205 is divisible by 5 203 is divisible by 7   Hence, after eliminating three options, remained is 211 and is divisible by only 1 and itself.    Therefore, 211 is the smallest prime number greater than 200.

Q:

A rod of length 85 m is divided into two parts if the first part of the rod is 2/3 of the second part then the larger part (in metres) is.

4235 1

  • 1
    34
    Correct
    Wrong
  • 2
    170/3
    Correct
    Wrong
  • 3
    85
    Correct
    Wrong
  • 4
    51
    Correct
    Wrong
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Answer : 4. "51"

Q:

if 5432*7 is divisible by 9, then the digit in place of * is :

4076 1

  • 1
    0
    Correct
    Wrong
  • 2
    1
    Correct
    Wrong
  • 3
    6
    Correct
    Wrong
  • 4
    9
    Correct
    Wrong
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Answer : 3. "6"
Explanation :

Q: The difference between 4632 and 20000 is what number 2883 0

  • 1
    15368
    Correct
    Wrong
  • 2
    12652
    Correct
    Wrong
  • 3
    14562
    Correct
    Wrong
  • 4
    14965
    Correct
    Wrong
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Answer : 1. "15368"
Explanation :

Answer: A) 15368 Explanation: The difference between 4632 and 20000 is given by subtracting smaler number from the bigger number. Here the bigger number is 20000 Smaller number is 4632 Now, subtracting 4632 from 20000 20000 - 4632 = 15368 and the resut is an even number.   Hence, The difference between 4632 and 20000 is 15368 and is an even number.

Q:

if 3 times a number exceeds its 3/5 by 60, then the number is.

4013 0

  • 1
    25
    Correct
    Wrong
  • 2
    35
    Correct
    Wrong
  • 3
    45
    Correct
    Wrong
  • 4
    60
    Correct
    Wrong
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Answer : 1. "25"

Q:

A person gives 1/4  of his property to his daughter, 1/2  to his sons and 1/5 for charity. How much has he given away?

6697 1

  • 1
    1/20
    Correct
    Wrong
  • 2
    19/20
    Correct
    Wrong
  • 3
    1/10
    Correct
    Wrong
  • 4
    9/10
    Correct
    Wrong
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Answer : 2. "19/20"

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