Quiz Discussion

A six-digit number is formed by repeating a three-digit number; for example, 256256 or 678678 etc. Any number of this form is always exactly divisible by :

• 1]

  7

• 2]

  13

• 3]

  11

• 4]

  1001

If the number 481 * 673 is completely divisible by 9, then the smallest whole number in place of * will be:

• 1]

  4

• 2]

  5

• 3]

  6

• 4]

  7

The sum of first 45 natural numbers is:

• 1]

  1035

• 2]

  1280

• 3]

  2070

• 4]

  2140

72519 X 9999

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

The largest 4 digit number exactly divisible by 88 is:

• 1] 8888
• 2] 9944
• 3] 9768
• 4] 8888

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

Find the last 2 digit of 7^85 (Using Euler Theorem)

• 1] 07
• 2] 77
• 3] 87
• 4] 97

5358 x 51 = ?

• 1]

  273258

• 2]

  273268

• 3]

  273348

• 4]

  273358

35 + 15 X 1.5

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

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

• 1]

  23

• 2]

  27

• 3]

  30

• 4]

  29