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