Quiz Discussion

If the number 653ab is divisible by 90, then (a + b) = ?

Course Name: Quantitative Aptitude

  • 1]

    3

  • 2]

    4

  • 3]

    5

  • 4]

    6

Solution
No Solution Present Yet

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Find the last 2 digit of 7^85 (Using Euler Theorem)

  • 1] 07
  • 2] 77
  • 3] 87
  • 4] 97
Solution
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What least number must be subtracted from 427398 so that the remaining number is divisible by 15?

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  • 3]

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Which of the following number should be added to 11158 to make it exactly divisible by 77?

  • 1]

    5

  • 2]

    6

  • 3]

    7

  • 4]

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Solution
4
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(935421 x 625) = ?
  • 1] 575648125
  • 2] 585628125
  • 3] 584638125
  • 4] 584649125
Solution
5
Discuss

The Unit digit in the product (784 X 618 X 917 X463)

  • 1] 1
  • 2] 2
  • 3] 3
  • 4] 4
Solution

4 X 8 X 7 X 3

6
Discuss

The smallest value of n, for which 2n+1 is not a prime number, is

  • 1]

    3

  • 2]

    4

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Solution
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{(476 + 424)^2 - 4 X 476 X 424}

  • 1] (52)^2
  • 2] (53)^3
  • 3] (52)^4
  • 4] (53)^5
Solution
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A number is divided by 221, the remainder is 64. If the number be divided by 13 then the remainder will be

  • 1]

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    2

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    3

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    4

Solution
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If (64)2 - (36)2 = 20 x a, then a = ?

  • 1]

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  • 2]

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  • 3]

    132

  • 4]

    176

Solution
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A boy multiplied 987 by a certain number and obtained 559981 as his answer. If in the answer both 98 are wrong and the other digits are correct , then the correct answer would be :

  • 1] 553681
  • 2] 555181
  • 3] 555681
  • 4] 556581
Solution
# Quiz