Quiz Discussion

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

What is the number in the unit place in (729)⁵⁹?

• 1]

  1

• 2]

  3

• 3]

  7

• 4]

  9

(12)³ x 6⁴ ÷ 432 = ?

• 1]

  5184

• 2]

  5060

• 3]

  5148

• 4]

  5084

The difference between the squares of two consecutive odd integers is always divisible by:

• 1]

  3

• 2]

  6

• 3]

  7

• 4]

  8

Find the sum to 200 terms of the series 1 + 4 + 6 + 5 + 11 + 6 + ....

• 1]

  29800

• 2]

  30200

• 3]

  31600

• 4]

  28480

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

72519 X 9999

• 1] 725117481
• 2] 834782931
• 3] 747829383
• 4] 648392011