Arithmetic and Assignment Operators

1. What is the value of x after the following code?

• 10

• 5

• 15

• 20

What will this code print?

• 20

• 5

• 16

• 8

Write the missing operator in this code to multiply z by 3:

Complete the code to add 10 to the variable a:

This code will give the result 3

• True

• False

• Maybe

Answer explanation

x %= 7 is the same as x = x % 7. So, 10 % 7 gives a remainder of 3.

Fill in the blank to decrease value by 50% of its current value

What will this code print?

• 50

• 30

• 40

• 60

Which operator is used to find the remainder of a division?

• -

• /

• %

• +

What will this code print?

• 12

• 4

• 8

• -4

Which of these is NOT an assignment operator in C?

• +=

• -=

• **=

• %=