Question

Let x = (633)²⁴ − (277)³⁸ + (266)⁵⁴. What is the unit's digit of x?

विकल्प

• 7

• 6

• 4

• 8

Answer 1

8

Explanation:

⇒ 3⁴ − 7² + 6

⇒ 1 − 9 + 6

⇒ 17 − 9

= 8