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)`.

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

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:

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

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 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

Prove that a student can attempt one or more questions out of 8 questions in 2^(8)-1 ways.

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

In an examination there are 3 multiple choice questions and each question has 4 choices. Number of ways in which a student can fail to get all answers correct is