NUMBER SYSTEM

Sum of two even numbers is

• even number

• Odd Number

• even and odd

• Neither even nor odd

The least prime number is

• 3

• 1

• 2

• 5

The greatest prime that is less than 25 is

• 24

• 21

• 19

• 23

Statement I : 29 is a prime number and an odd number

Statement II: All prime numbers are odd numbers.

• Both Statements are true, Statement II is the correct explanation of Statement I.

• Both Statements are true, Statement II is not correct explanation of Statement I

• Statement I is true, Statement II is false.

• Statement I is false, Statement II is true.

Number of even prime numbers is

• 1

• 2

• 0

• Infinite

Which of the follwing is a prime number ?

• 21

• 31

• 49

• 65

The composite number between 10 and 90 is

• 47

• 97

• 81

• 9

Least odd composite number is ___________

• 1

• 9

• 4

• 8

Total number of primes that are between 40 and 60 is

• 4

• 5

• 6

• 7

The number of pairs of twin primes between 1 and 100 is

• 72

• 8

• 9

• 10