What is the difference between the number of possible answers on a five question true-false test and a five -question multiple choice test withfour choices per question

Answer 1

How many total choices are there on the 5 true false questions?

How many choices are there on the five multiple choice questions?

Difference indicates subtraction,

Answer 2

I know difference means subtraction.Also you wrote everything that is given.If you know please show me the work