A question paper has `5` questions. Each question has an alternative. The number of ways in which a student can attempt atleast one question is:

Eight questions are given , each question has an alternative Prove that the number of ways in which a student can select one or more Questions is (2^(8)-1) .

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 question paper contains 6 question each having an alternative . The number of ways that an examine can answer one or more question is

A question paper contains 6 questions,each having an alternative,The number of ways an examine can answer one or more questions ista) 720( b) 728( c) 729( d) none of they

There is a question paper consisting of 15 questions. Each question has an internal choice of 3 options. In how many ways can a student attempt one or more questions of the given fifteen questions in the paper?

In an examination there are three multiple choice questions and each question has 5 choices Number of ways in which a student can fail to get all answer correct is