Quiz Discussion

106 X 106 - 94 X 94

• 1] 9440
• 2] 9600
• 3] 9640
• 4] 9755

The difference between a positive proper fraction and its reciprocal is 9/20. The fraction is:

• 1]

  3/5

• 2]

  3/10

• 3]

  4/5

• 4]

  4/3

• 1] 1951609
• 2] 1981709
• 3] 18362619
• 4] 2031719

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

(12)³ x 6⁴ ÷ 432 = ?

• 1]

  5184

• 2]

  5060

• 3]

  5148

• 4]

  5084

(112 x 5⁴) = ?

• 1]

  67000

• 2]

  70000

• 3]

  76500

• 4]

  77200

The smallest 3 digit prime number is:

• 1]

  101

• 2]

  103

• 3]

  109

• 4]

  113

Find the last unit digit of 55^5 ( Using Euler Theorem)

• 1] 4
• 2] 5
• 3] 3
• 4] 8

A girl multiplies 987 by a certain number and obtains 559981 as her answer. If in the answer, both 9’s are wrong but the other digits are correct, then the correct answer will be

• 1]

  555681

• 2]

  545681

• 3]

  544581

• 4]

  555490

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

• 1]

  5

• 2]

  6

• 3]

  7

• 4]

  8