Assume the following variable definitions int a = 5, b = 12; double x = 3.4, z = 9.1. What are the values of the following expressions?

a) x * a.

b) static_cast (x) * static_cast (z).

c) static_cast (x * z).

d) static_cast (b).

a) 17, b) 27, c) 30, d) 12

Explanation:

a) x * a

3.4 * 5 = 17

b) static_cast (x) * static_cast (z)

Casting a value to int makes it an integer. The above one equals int (3.4) * int (9.1) = 3 * 9 = 27

c) static_cast (x * z)

Casting a value to int makes it an integer. The above one equals int (3.4 * 9.1) = int (30.94) = 30

d) static_cast (b)

12