Quiz Discussion

476 ** 0 is divisible by both 3 and 11.The non zero digits in the hundred's and ten's places are respectively:

• 1] 6 and 2
• 2] 8 and 2
• 3] 6 and 5
• 4] 8 and 5

(112 x 5⁴) = ?

• 1]

  67000

• 2]

  70000

• 3]

  76500

• 4]

  77200

The largest natural number which exactly divides the product of any four consecutive natural numbers is:

• 1]

  6

• 2]

  12

• 3]

  18

• 4]

  24

(12)³ x 6⁴ ÷ 432 = ?

• 1]

  5184

• 2]

  5060

• 3]

  5148

• 4]

  5084

The difference between the two numbers is 2395. When the larger number is divided by the smaller ones, the quotient is 6 and the remainder is 15. The smaller number is

• 1]

  326

• 2]

  298

• 3]

  476

• 4]

  531

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

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

• 1]

  3

• 2]

  6

• 3]

  7

• 4]

  8

What is the unit digit in {(6374)¹⁷⁹³ x (625)³¹⁷ x (341⁴⁹¹)}?

• 1] 5
• 2] 3
• 3] 2
• 4] 0

The sum of first 45 natural numbers is:

• 1]

  1035

• 2]

  1280

• 3]

  2070

• 4]

  2140

The smallest 3 digit prime number is:

• 1]

  101

• 2]

  103

• 3]

  109

• 4]

  113