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

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:

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 contains 20 questions in how many ways can 4 questions be attempted?

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

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

A question paper is split in two group - A and B. The group A contains 4 questions, each question having an alternative. The group B also contains 4 questions. A student has to answer at least one question from each group and he can answer up to 8 questions. What is the probability that a student will answer 3 questions?

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?