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

A students is to answer 10 out of 13 questions in an examminations such that he must choose at least 4 from the first five questions. Find the numbers of choices available to him.

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

In an examination a student has to answer 4 questions out of 5 questions; questions 1 and 2 are however compulsory. Determine the number f ways n which the student can make the choice.

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

In how many ways can an examinee answer a set of ten true/false type questions?

In a test paper there are 10 questions . Number of ways in which 6 questions to be answered is

In a test of 10 multiple of choice questions of one correct answer each having 4 alternative answers, the number of ways to put ticks at random for the answer to all the questions is

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

In a examination there are four multiple choice questions and each question has 4 choices. Number of ways in which a student can fail to get all answer correct is (i) 256 (ii) 254 (iii) 255 (iv) 63