Two consecutive whole numbers are n-1 and n a) Simplify
n-(n-1)
(1)
b) Multiply out
n(n-1)
(1)
c) Simplify
(n-1) + n
(1)
(1)
d) The two numbers are added.
The answer is
A always even
B always odd
C sometimes even, sometimes odd
Total marks: 4