Quiz Discussion

(1000)^9 / 10^24 =

• 1] 10
• 2] 100
• 3] 1000
• 4] 10000

How many of the following numbers are divisible by 3 but not by 9. 

4320, 2343, 3474, 4131, 5286, 5340, 6336, 7347, 8115, 9276

• 1]

  5

• 2]

  6

• 3]

  7

• 4]

  None Of These

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

• 1] 4
• 2] 5
• 3] 3
• 4] 8

The sum of first 49 natural numbers is ?

• 1]

  1275

• 2]

  1225

• 3]

  1205

• 4]

  1185

A 3-digit number 4p3 is added to another 3-digit number 984 to give the four-digit number 13q7, which is divisible by 11. Then, (p + q) is :

• 1]

  9

• 2]

  10

• 3]

  11

• 4]

  12

If n is a natural number, then (6n² + 6n) is always divisible by:

• 1]

  6 only

• 2]

  12 only

• 3]

  6 and 12 both

• 4]

  by 18 only

The difference of two numbers is 1365. On dividing the larger number by the smaller, we get 6 as quotient and the 15 as remainder. What is the smaller number ?

• 1]

  295

• 2]

  240

• 3]

  270

• 4]

  360

5358 x 51 = ?

• 1]

  273258

• 2]

  273268

• 3]

  273348

• 4]

  273358

What is the unit digit in 27^20?

• 1]

  1

• 2]

  2

• 3]

  3

• 4]

  4

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

• 1]

  3

• 2]

  6

• 3]

  7

• 4]

  8