Question

Find the units digit of the expression ${11}^1.{12}^2.{13}^3.{14}^4.{15}^5.{16}^6$

• A. 4
• B. 3
• C. 7

Answer 1

The respective units digits for the six parts of the expression would be:
$1\times 4\times 7\times 6\times 5\times 6\to$ required answer is 0.
Option (d) is correct.