Question

If a and b are two integers, then which of the following may not be an integer?

Options

• a + b

• a – b

• a × b

• a ÷ b

Answer 1

a ÷ b

Explanation:

If a and b are two integers, then

a + b is always an integer.

a – b is always an integer.

a × b is also an integer,

but a ÷ b may or may not be an integer.