Question

Question 24

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

(a) $a+b$
(b) $a-b$
(c) $a\times b$
(d) $a÷b$

Answer 1

Addition, subtraction and multiplication of two or more integers is always an integer. But, division of integers may or may not be an integer.
e.g. $2÷3=\frac{2}{3}$(not an integer)
$3÷3=1$(integer)