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)` .

The number of ways of selections one or more out of 7 given things 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

The number of ways of selecting one or more things out of n dissimilar things is

Number of ways of selecting one or more things out of n dissimilar things are

Number of ways of selecting one or more things out of n dissimilar things are

Number of ways of selecting one or more things out of n dissimilar things are

A man has 6 friends. The number of ways can he invite one or more of them to dinner is

Find the total number of ways of answering 5 objective type questions, each question having 4 choices.

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

Find the total number of ways of answering 5 objective type questions,each question having 4 choices.