Quiz Discussion

What least number must be subtracted from 427398 so that the remaining number is divisible by 15?

• 1]

  3

• 2]

  4

• 3]

  11

• 4]

  13

107 x 107 + 93 x 93 = ?

• 1]

  19578

• 2]

  19418

• 3]

  21908

• 4]

  20098

5358 x 51 = ?

• 1]

  273258

• 2]

  273268

• 3]

  273348

• 4]

  273358

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

• 1] 1
• 2] 2
• 3] 3
• 4] 4

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

How many prime numbers exist in 6⁷ x 35³ x 11¹⁰?

• 1]

  23

• 2]

  27

• 3]

  30

• 4]

  29

35 + 15 X 1.5

• 1] 39.5
• 2] 43.5
• 3] 57.5
• 4] 72.3

The sum of first 45 natural numbers is:

• 1]

  1035

• 2]

  1280

• 3]

  2070

• 4]

  2140

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

• 1]

  12

• 2]

  24

• 3]

  36

• 4]

  16

How many numbers between 190 and 580 are divisible by 4,5 and 6?

• 1]

  6

• 2]

  7

• 3]

  8

• 4]

  9