The Unit digit in `4^5` is

The Unit digit in 5^(100) is

The Unit digit in 5^(100) is (i)0(ii)4(iii)5(iv)3

If n is a one-digit positive integer, what is n? (1) The units digit of 4^n is 4. (2) The units digits of n^4 is n.

Find the unit digit in 8 ^(96) - 4 ^(16).

Find the unit digit in 8^(96) - 4^(16) .

A three digit number is such that this number itself is divisible by the sum of its digits. The sum of hundreds and unit digit is 6 while the sum of the tens and unit digit is 5. What is the ratio of unit and tens digit :