Question

Given: x + = x++ + ++ x  + − − x

Find the value, when x = 5.

Options

• 23

• 21

• 22

• 24

Answer 1

23

Explanation:

The expression is calculated as follows:

x = x + (x++ + ++x + --x)       (x = 5)
x = 5 + (5 + ++x + --x)         (x = 6)  
x = 5 + (5 + 7 + --x)           (x = 7)  
x = 5 + (5 + 7 + 6)             (x = 6)  
x = 5 + 18
x = 23