Solve 17 + 7 - 7

Simplify the given expression :

 3 ( 35 + 15 ÷ 5 × 6- 2 × 3) 

__________  has only two factors: 1 and itself.

Solve 14 + 5 - 3

Solve 17 + 14 - 18

Solve 24 + 9 - 5

Which of the following statement is false?

(i) An even number is always divisible by 3.

(ii) Even numbers leaves remainder 0 when divided by 2.

(iii) Product of two even numbers is always even.

Identify the twin primes pairs: 

5 ( 6 / 2 x 4 + 5 - 8 +2 - 4 /2 + 0- 3)

Number of pairs of twin prime numbers between 1 and 50 are ______________