Question

If'n' is any natural number, then (12)" cannot end with the digit:
a-2 b-4 c-8 d-0​

Answer 1

Answer:

Here, Number 12

n

where nϵN

Now 12

n

=(2

2

×3)

n

Now, for 12

n

to end with 0, it should have 2 as well as 5 in its prime factors. Also to end with 5, of require at least a single multiple of 5 in its prime factors, so 12

n

cannot end with the digit 0 or 5.