In an examination there are three multiple choice questions and each question has 4…
Mathematics · JEE Main · NTA Exams — Permutations and Combinations
In an examination there are three multiple choice questions and each question has 4 choices out of which only one is correct. If all the questions are compulsory, then number of ways in which a student can fail to get all answers correct, is
- 11
- 12
- 27
- 63
Answer
(D) 63
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