Quiz Discussion

What is the unit digit in 27^20?

Course Name: Quantitative Aptitude

  • 1]

    1

  • 2]

    2

  • 3]

    3

  • 4]

    4

Solution
No Solution Present Yet

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# Quiz
1
Discuss

If x is a whole number, then x²(x² - 1) is always divisible by

  • 1]

    12

  • 2]

    24

  • 3]

    36

  • 4]

    16

Solution
2
Discuss
1397 x 1397 = ?
  • 1] 1951609
  • 2] 1981709
  • 3] 18362619
  • 4] 2031719
Solution
3
Discuss

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

  • 1] (52)^2
  • 2] (53)^3
  • 3] (52)^4
  • 4] (53)^5
Solution
4
Discuss

107 x 107 + 93 x 93 = ?

  • 1]

    19578

  • 2]

    19418

  • 3]

    21908

  • 4]

    20098

Solution
5
Discuss

The digit in unit’s place of the product 71 × 72 × ..... × 79 is

  • 1]

    2

  • 2]

    0

  • 3]

    6

  • 4]

    4

Solution
6
Discuss

Which of the following is a prime number ?

  • 1] 97
  • 2] 93
  • 3] 33
  • 4] 81
Solution
7
Discuss

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
8
Discuss

5358 x 51 = ?

  • 1]

    273258

  • 2]

    273268

  • 3]

    273348

  • 4]

    273358

Solution
9
Discuss

If p and q are the two digits of the number 653pq such that this number is divisible by 80, then p+q is equal to :

  • 1]

    5

  • 2]

    4

  • 3]

    3

  • 4]

    2

Solution
10
Discuss

If x and y are the two digits of the number 653xy such that this number is divisible by 80, then x + y = ?

  • 1] 2 or 6
  • 2] 4
  • 3] 4 or 8
  • 4] 8
  • 5] None of these
Solution
# Quiz