Number System Questions Practice Question and Answer

Q:

In an examination, a student was asked to find 3/11 of a certain number, by mistake, he found 3/4 of it. His answer was 315 more than the correct answer. The given number is –

1750 0

  • 1
    629
    Correct
    Wrong
  • 2
    660
    Correct
    Wrong
  • 3
    617
    Correct
    Wrong
  • 4
    576
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "660"

Q:

The average of some natural numbers is 15. If 30 is added to first number and 5 is subtracted from the last number, the average become 17.5. then the numbers of natural numbers is :

1738 0

  • 1
    10
    Correct
    Wrong
  • 2
    20
    Correct
    Wrong
  • 3
    30
    Correct
    Wrong
  • 4
    15
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "10"

Q:

If * means adding 6 times the second number to the first number then ( 1 * 2 ) *   3 equals : 

1736 0

  • 1
    121
    Correct
    Wrong
  • 2
    91
    Correct
    Wrong
  • 3
    31
    Correct
    Wrong
  • 4
    93
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "31 "

Q:

The fourth root of 24010000 is 

1735 0

  • 1
    7
    Correct
    Wrong
  • 2
    49
    Correct
    Wrong
  • 3
    490
    Correct
    Wrong
  • 4
    70
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "70"

Q:

Let N be the greatest number that will divide 1305, 4665 and 6905, leaving the same remainder in each case. Then sum of the digits in N is:

1734 0

  • 1
    4
    Correct
    Wrong
  • 2
    5
    Correct
    Wrong
  • 3
    6
    Correct
    Wrong
  • 4
    8
    Correct
    Wrong
  • 5
    3
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "4"

Q:

A number when divided by the sum of 555 and 445 gives two times their difference as quotient and 30 as the remainder. The number is: 

1732 0

  • 1
    220030
    Correct
    Wrong
  • 2
    22030
    Correct
    Wrong
  • 3
    1220
    Correct
    Wrong
  • 4
    1250
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "220030 "

Q:

A man read 2/5 part of a book in 1st day, 34% in second day and remaining page in next two days. In two days he read equal number of page. If he read 52 page on last day, then find out how many page did the book contain? 

1729 0

  • 1
    500
    Correct
    Wrong
  • 2
    560
    Correct
    Wrong
  • 3
    510
    Correct
    Wrong
  • 4
    400
    Correct
    Wrong
  • 5
    460
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "400 "

Q:

What value will come in place of question mark (?) in the questions given below?

88 × 25 ÷ 4 + 63 = ?

1718 0

  • 1
    760
    Correct
    Wrong
  • 2
    768
    Correct
    Wrong
  • 3
    770
    Correct
    Wrong
  • 4
    766
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "766"

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully