There are 8 questions in a paper and a student have to attempt 5 questions. How many ways it can be done if
(i) there is no restriction?
(ii) first two questions are compulsory.
(iii) at least 3 questions are compulsory out of first 5 questions?

A paperr consists of 7 questions in part A and 5 questions in part B. A student have to attempt 8 questions.How many ways it can be done if it is necessary to attempt at least three questions from each part?

Are exam paper contains 8 questions, 4 in Part A and 4 in Part B. Examiners are required to answer 5 questions. In how many ways can this be done if (i) There are no restrictions of choosing a number of questions in either parts.(ii) At least two questions from Part A must be answered

There are three section A,B, C in a paper each section having 5 questions . In how many ways a student can solve exactly 5 questions taken at least one question from each section.

A question paper has 6 questions. How many ways does a student have to answer if he wants to solve at least one question?

A question paper contain 15 questions. In how many ways can 7 questions be attempted?

In how many ways a student can attempt 6 questions from an examination paper consisting 8 questions?