Question

There is a question paper consisting of 15 questions. Each question has an internal choice of 2

options. In how many ways can a student attempt one or more questions of the given fifteen

questions in the paper

Answer 1

answer is 15 C3 I.e. 455

Answer 2

Answer:

The  number of different answer combinations is 32768.

Step-by-step explanation:

Given : There is a question paper consisting of 15 questions. Each question has an internal choice of 2  options.

To find : In how many ways can a student attempt one or more questions of the given fifteen  questions in the paper ?

Solution :

Total number of question paper consisting = 15

Each question has an internal choice of 2  options i.e. there are two possible answer.

The  number of different answer combinations is $2^{15}$

The  number of different answer combinations is 32768.