The number of ways that 6 questions can choose out of 9 question so that the first and the last question are always included is

The number of ways that 6 questions can be chosen out of 9 questions so that the first and the last questions are always included is

The number of ways that a volley ball 6 can be selected out of 10 players so that 2 particular players are included is

The number of ways in which an examiner can assign 40 marks to 6 questions, giving not less than 3 marks to any question, is

A student is Instructed to answer any 8 out of 12 questions. How many different ways he can choose the questions so that question no.1 will be included?

A student is Instructed to answer any 8 out of 12 questions. How many different ways, he can choose the questions so that question no.1 will be included and question no.10 will be excluded?

A : The number of ways of answering one or more of 6 question is 63. R : the number of ways of answering one or more of n questions is 2 ^(n) .

Assertion (A) : A question paper contains 5 questions each having an alternative. The number of ways that an examinee can answer one or more questions is 242. Reason (R): The number of ways of answering one or more of n questions when each question have an alternative is 3^(n)-1 . The correct answer is

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