There are 10 true - false statements in a question paper. How many sequences of answers are possible ?

There are 12 true - false questions in an examination .How many seqences of answer are possible?

There are 4 multiple choice questions in an examination. How many sequences of answers are possible, if each question has 2 choices?

There are 4 multiple choice questions in an examination. How many sequences of answers are possible, if each question has 2 choices?

There are 6 multiple choice questions in an examination. How many sequences of answers are possible, if the first three questions have 4 choices each and the next three he 2 each?

There are 4 multiple-choice questions in an examination. How many sequence of answers are possible, if each question has 2 choices ?

There are 6 multiple choice questions in an examination. How many sequence of answers are possible, if the first three questions have 4 choices each and the next three have 5 each?

There are 6 multiple choice questions in an examination.How many sequences of answers are possible,if the first three questions have 4 choices each and the next three he 2 each?

A question paper had ten questions. Each question could only be answered as True (T) or False (F). Each candidate answered all the questions. Yet, no two candidates wrote the answers in anidentical sequence. How many different sequences of answers are possible ?