Number System Questions Practice Question and Answer

Q:

Evaluate 743 x 999.

921 0

  • 1
    74257
    Correct
    Wrong
  • 2
    784527
    Correct
    Wrong
  • 3
    724457
    Correct
    Wrong
  • 4
    742257
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "742257"

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?

917 0

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

Answer : 2. "4"

Q:

The average of six consecutive odd numbers is 26. Find the difference between the largest and the smallest of these numbers.

916 0

  • 1
    8
    Correct
    Wrong
  • 2
    16
    Correct
    Wrong
  • 3
    10
    Correct
    Wrong
  • 4
    12
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "10"

Q:

A number consists of two digits. If the number formed by interchanging the digits is added to the original number, the resulting number (i.e. the sum) must be divisible by

916 0

  • 1
    11
    Correct
    Wrong
  • 2
    9
    Correct
    Wrong
  • 3
    5
    Correct
    Wrong
  • 4
    3
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "11"
Explanation :

Let the number be 10x + y

After interchanging the digits,

the number obtained = 10y + x

According to the question,

Resulting number

= 10x + y + 10y + x

= 11x + 11y

= 11 (x + y)

which is exactly divisible by 11.

Q:

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

913 0

  • 1
    180
    Correct
    Wrong
  • 2
    420
    Correct
    Wrong
  • 3
    240
    Correct
    Wrong
  • 4
    84
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "240 "

Q:

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

908 0

  • 1
    20
    Correct
    Wrong
  • 2
    22
    Correct
    Wrong
  • 3
    24
    Correct
    Wrong
  • 4
    26
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "26"

  • Show AnswerHide Answer
  • Workspace

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.

902 0

  • 1
    5336
    Correct
    Wrong
  • 2
    5391
    Correct
    Wrong
  • 3
    5388
    Correct
    Wrong
  • 4
    5343
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "5336"

      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