Quiz Discussion

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

• 1]

  1

• 2]

  3

• 3]

  7

• 4]

  9

The sum of first 49 natural numbers is ?

• 1]

  1275

• 2]

  1225

• 3]

  1205

• 4]

  1185

A number is divided by 221, the remainder is 64. If the number be divided by 13 then the remainder will be

• 1]

  1

• 2]

  2

• 3]

  3

• 4]

  4

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

What is the unit digit in 27^20?

• 1]

  1

• 2]

  2

• 3]

  3

• 4]

  4

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

106 X 106 - 94 X 94

• 1] 9440
• 2] 9600
• 3] 9640
• 4] 9755

• 1] 575648125
• 2] 585628125
• 3] 584638125
• 4] 584649125

If (64)² - (36)² = 20 x a, then a = ?

• 1]

  115

• 2]

  140

• 3]

  132

• 4]

  176

It is being given that (2³² + 1) is completely divisible by a whole number. Which of the following numbers is completely divisible by this number?

• 1]

  (2¹⁶ + 1)

• 2]

  (2¹⁶ - 1)

• 3]

  (7 x 2²³)

• 4]

  (2⁹⁶ + 1)