if x is the addition of the prime numbers between 1 and 6; and y...

if x is the addition of the prime numbers between 1 and 6; and y the H.C.F. of 6, 9, 15. Find the product of x and y

The correct answer is: B

Prime numbers between 1 and 6 are 2, 3 and 5

x = 2 + 3

= 5 = 10

H.C.F. of 6, 9, 15 = 3

∴ y = 3

X x y = 10 x 3

= 30