In an examination there are 3 MCQs and each question has 4 choices number of ways in which a student can fail to get all answers correct is a)11 b) 12 c) 27 d)63 along with solution please answer this question...
Answers
Answered by
10
Here's the correct answer..
If you like it please mark it as brainliest.
If you like it please mark it as brainliest.
Attachments:
mallikarjun5:
thnqs
Answered by
2
Answer:
63
Step-by-step explanation:
Given :In an examination there are 3 MCQs and each question has 4 choices
To Find :Number of ways in which a student can fail to get all answers correct is ?
Solution :
Total questions = 3
Each question has 4 options
So, Total no. of ways of answering questions =
No. of ways of answering correct =
So, Number of ways in which a student can fail to get all answers correct = 64-1 = 63
Hence Number of ways in which a student can fail to get all answers correct is 63
Similar questions