Aptitude | Number System

MCQ

Q 1.

If N, N+2 and N+4 are prime numbers then the number of possible solution for N is

  • 1

  • 2

  • 3

  • None of these

Q 2.

712 - 412 is exactly divisible by

  • 33

  • 34

  • 35

  • 36

Q 3.

215 + 195 is divisible by?

  • Only 10

  • Only 20

  • Both 10 and 20

  • Neither 10 nor 20

Q 4.

Find the remainder when 19100 is divided by 20

  • 1

  • 3

  • 19

  • 20

Q 5.

Find the remainder when 41000 is divided by 7

  • 1

  • 2

  • 3

  • 4

Q 6.

How many number between -11 and 11 are multiple of 2 and 3?

  • 11

  • 14

  • 15

  • None of these

Q 7.

58129745812974 is divisible by

  • 4

  • 9

  • 11

  • None of these

Q 8.

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

  • 4

  • 6

  • 7

  • 5

Q 9.

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

  • 3

  • 6

  • 7

  • 8

Q 10.

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

  • 1551

  • 1152

  • 1100

  • 1210

Q 11.

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

  • 620

  • 640

  • 660

  • 680

Q 12.

FInd total number of rational numbers between 1 and 1000

  • 998

  • 999

  • 1000

  • Infinite

Q 13.

Find last two digit of (15x17x37x51x63x97)

  • 25

  • 35

  • 45

  • 55

Q 14.

Find the unit digit in the product of 5321x4326

  • 4

  • 8

  • 6

  • 1

Q 15.

The product of 4 consecutive natural number plue one is

  • Non square number

  • Always sum of 2 square numbers

  • Square number

  • None of these

Q 16.

Sum of first 84 even numbers

  • 7100

  • 7120

  • 7130

  • 7140

Q 17.

Find the sum of first fifteen multiples of 8

  • 940

  • 950

  • 960

  • 970

Q 18.

Find the sum of the first 37 odd numbers?

  • 1347

  • 1369

  • 1378

  • 1393

Q 19.

Find the value of X so that (X+231228) is exactly divisible by 33

  • 4

  • 3

  • 2

  • 1

Q 20.

Sum of 4 consecutive even numbers is 284. Find the smallest number?

  • 66

  • 68

  • 72

  • 74