When the number 12345678910111213 . . . 99100 is divided by 16, what will be the remainder?

What is the remainder when 65^99 is divided by 11?

What will be remainder when (67^67 + 67) is divided by 68?

What is the remainder when 2¹²⁰ is divided by 7?

A number when divided by 342 gives a remainder 47. When the same number is divided by 19, what would be the remainder?

Find the remainder when 49^49 + 1 is divided by 6.