Question

Q. If x is an even number, then $x^{4n}$ where n is a positive integer, will always have:

• A. Zero in the units’ place
• B. 6 in the units’ place
• C. either 0 or 6 in unit’s place
• D. None of these

Answer 1

The correct option is B 6 in the units’ place

$x^{4n}$ where x is even number will always have 6 in units place for all even number