Question

8. Given two whole numbers a and b, which of
the following may not always be whole
numbers,
(a) a + b
(b) a-b
(c) axb
(d) 2a + b​

Answer 1

Correct answer is option B..

For understanding take an example

Let.. a=1 & b=2

Then, =a-b

=1 - 2

= -1

Which is not a whole number..