Aptitude Test 1st Year Sec:-K

98 x 97 = ?

• 5636

• 9506

• 9636

• None

Find Out the Unit Digit What is the unit digit in {6374¹⁷⁹³ x 625³¹⁷ x 341⁴⁹¹}?

• 1

• 4

• 0

• None

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

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

• 5

• 6

• 7

• None of these

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 :

• 2

• 3

• 4

• 6

What should be the maximum value of Q in the following equation?
5P9 – 7Q2 + 9R6 = 823

• 5

• 6

• 7

• 9

The sum of first 49 natural numbers is ?

• 1280

• 2070

• 1225

• 1215

If the number 653ab is divisible by 90, then (a + b) = ?

• 2

• 3

• 4

• 6

If (64)² - (36)² = 20 x a, then a = ?

• 70

• 120

• 180

• 140

The digit in unit’s place of the product 71 × 72 × ..... × 79 is

• 2

• 0

• 6

• 8

Which of the following number should be added to 11158 to make it exactly divisible by 77?

• 6

• 5

• 8

• 7