Aptitude - Number System

MCQ

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Q 11.

When X is divided by 56 it gives 29 as remainder. Find the remainder when X is divided by 8.

Options:

  • 4

  • 6

  • 7

  • 5

Q 12.

Which of the following numbers always divides the difference between the squares of two consecutive odd numbers.

Options:

  • 3

  • 6

  • 7

  • 8

Q 13.

Sum of 5 consecutive numbers is 170. Find the product of the smallest and the largest number?

Options:

  • 1551

  • 1152

  • 1100

  • 1210

Q 14.

Sum of 5 consecutive even numbers is 130. Find the product of the first and the last number.

Options:

  • 620

  • 640

  • 660

  • 680

Q 15.

FInd total number of rational numbers between 1 and 1000

Options:

  • 998

  • 999

  • 1000

  • Infinite

Q 16.

Find last two digit of (15x17x37x51x63x97)

Options:

  • 25

  • 35

  • 45

  • 55

Q 17.

Find the unit digit in the product of 5321x4326

Options:

  • 4

  • 8

  • 6

  • 1

Q 18.

The product of 4 consecutive natural number plue one is

Options:

  • Non square number

  • Always sum of 2 square numbers

  • Square number

  • None of these

Q 19.

Sum of first 84 even numbers

Options:

  • 7100

  • 7120

  • 7130

  • 7140

Q 20.

Find the sum of first fifteen multiples of 8

Options:

  • 940

  • 950

  • 960

  • 970

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