There are 10 true-false questions in an examination. Then these questions can be answered in

There are 10 true-false questions in an examination. The number of ways in which these questions can be answered is

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

There are 10 true or false questions in an examination. Number of ways of answering these 10 questions which are marked either T or F is

There are 10 true-false questions. The number of ways in which they can be answered is

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

A student has to answer 10 out of 13 questions in an examination. The number of ways in which he can answer if he must answer atleast 3 of the first five questions is

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

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

A student has to answer 10 out of 13 questions in an examination choosing at least 5 question from the first 6 questions. The number of choices available to the students is