The digit in the unit place of the number represented by (795 - 358) is :

Answer: Option B

Unit digit of 7⁴ is 1.
So, the unit digit of (7⁴)²³ is 1
∴ Unit digit of 7⁹⁵
= Unit digit of (7⁹² × 7³) = (1 × 3) = 3
Unit digit of 3⁴ is 1
So, the unit digit of (3⁴)¹⁴ is 1
∴ Unit digit of 3⁵⁸
= unit digit of (3⁵⁶ × 3² ) = (1 × 9) = 9
Hence, the unit digit of
(7⁹⁵ - 3) = (13 - 9) = 4