# Aptitude - Number System

## MCQ

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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

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