Question

given two whole num a and b which of the fowllowing may not be always a whole num
(a) a+b
(b)a*b
(c)a-b
(d)2a+b/

Answer 1

Answer:

(c) a-b

Step-by-step explanation:

this will happen only when a is lesser than b

then the answer will come negative which is integer not a whole number.