Number System Questions Practice Question and Answer

Q:

The product of two numbers is 24 times the difference of these two numbers. If the sum of these two numbers is 14. Find the larger number?

1233 0

  • 1
    9
    Correct
    Wrong
  • 2
    11
    Correct
    Wrong
  • 3
    7
    Correct
    Wrong
  • 4
    8
    Correct
    Wrong
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Answer : 4. " 8"

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.

1223 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:

Direction : What value should come in place question mark(?) in the following questions?

4 × 5– 32 × 7 + 62=?+24

1220 0

  • 1
    $$ {7^2}$$
    Correct
    Wrong
  • 2
    $$ {8^2}$$
    Correct
    Wrong
  • 3
    $$ {9^2}$$
    Correct
    Wrong
  • 4
    $$ {4^2}$$
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 1. "$$ {7^2}$$"

Q:

A number which when divided by 10 leaves a remainder of 9 , when divided by 9 leaves a remainder of 8 , and when divided by 8 leaves a remainder of 7 , is :

1218 0

  • 1
    1539
    Correct
    Wrong
  • 2
    539
    Correct
    Wrong
  • 3
    359
    Correct
    Wrong
  • 4
    1359
    Correct
    Wrong
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Answer : 3. "359 "

Q:

Evaluate 743 x 999.

1213 0

  • 1
    74257
    Correct
    Wrong
  • 2
    784527
    Correct
    Wrong
  • 3
    724457
    Correct
    Wrong
  • 4
    742257
    Correct
    Wrong
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Answer : 4. "742257"

Q:

3¹¹ + 3¹² + 3¹³ + 3¹⁴ is divisible by which of the following?

1210 0

  • 1
    7
    Correct
    Wrong
  • 2
    8
    Correct
    Wrong
  • 3
    11
    Correct
    Wrong
  • 4
    14
    Correct
    Wrong
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Answer : 2. "8"

Q:

The second number in the given number-pairs is obtained by performing certain mathematical operation(s) on the first number. The same operation(s) are followed in all the number-pairs EXCEPT one. Find that odd number-pair.

1208 0

  • 1
    169 : 14
    Correct
    Wrong
  • 2
    225 : 18
    Correct
    Wrong
  • 3
    196 : 17
    Correct
    Wrong
  • 4
    256 : 19
    Correct
    Wrong
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Answer : 1. "169 : 14 "

Q:

The sum of the digits of a two digit number is 15. When 9 is subtracted from the given number then its digits interchanged. What will be the required original number?

1194 0

  • 1
    54
    Correct
    Wrong
  • 2
    45
    Correct
    Wrong
  • 3
    78
    Correct
    Wrong
  • 4
    87
    Correct
    Wrong
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Answer : 4. "87"

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