In an examination a student has to answer 4 questions out of 5 questions; questions 1 and 2 are however compulsory. Determine the number f ways n which the student can make the choice.

In an examination, a student has to answer 4 questions out of 5 questions, questions 1 and 2 are however compulsory. Determine the number of ways in which the student can make the choice.

In an examination, a student has to answer 4 questions out of 5 questioins, questions 1 and 2 are however compulsory. Determine the number o f ways in which the student can make the choice . Thinking Process: We know that in selection of r objects out of given n objects if p objects are included then total numbers of selection are ((n-p),(r-p)).

In an examination a student has a answer 5 questions, out of 9 questions in which 2 are compulsory . In how many ways a student can answer the questions ?

In an examination,a student is to choose any 8 questions from a set of 12. If the questions 1 and 3 are compulsory then he can select the questions in

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

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

In an examinations there are three multiple choice questions and each questions has 4 choices. Find the number of ways in which a student can fail to get all answer correct.