Question

What is the unit digit in the product (3^65
X 6^59×7^71)?​

Answer 1

Answer:

Discussion :: Numbers - General Questions (Q.

What is the unit digit in the product (365 x 659 x 771)? Unit digit in 74 Unit digit in (74)17 is 1. Required digit = Unit digit in (3 x 6 x 3) = 4.

Answer 2

Answer:

71 is the right answer but in 1st 65 and 2 nd it will be 71.