Math, asked by YugendraKesineni1, 1 month ago

In how many ways can a test paper of six questions be attempted, each question being of a TRUE/FALSE type?

Answers

Answered by Itsheartkidnapper
9

Answer:

In each question you have two options, T and F.

Then in 6 questions you have 2 options for the first, two for the second, two for the third...

At the end you get 2·2·2·2·2·2 =

2

6

options and

2

6

= 64.

This formula is also valid for n questions, so if the exams has n questions you have

2

n

posible answers

Step-by-step explanation:

I hope it helps you dear ❣️❣️☺️☺️❤️❤️

Answered by jeogeoalukka
18

Answer:

729

Step-by-step explanation:

The guy can either attend no question, 1 question, or more...

6C0*0! : Choose 0 questions from 6

6C1`*2! : Choose 1 questions from 6 and 1 either true or false

6C2*2!*2! : Choose 2 questions from 6 and 2 either true or false

6C3*2!*2!*2! : Choose 3 questions from 6 and 3 either true or false

6C4*2!*2!*2!*2! : Choose 4 questions from 6 and 4 either true or false

6C5*2!*2!*2!*2!*2! : Choose 5 questions from 6 and 5 either true or false

6C6*2!*2!*2!*2!*2! : Choose 6 questions from 6 and 6 either true or false

Sum it all to get 729

Similar questions