JEE Main 2022 · MathsNumerical answerNumerical valueMediumMulti-step
JEE Main 24 June 2022, Shift 1, Maths Q22
Question 22 of 90 in this shift, Maths question 22 of 30, Section B.
In an examination, there are 5 multiple choice questions with 3 choices, out of which exactly one is correct. There are 3 marks for each correct answer, marks for each wrong answer and 0 mark if the question is not attempted. Then, the number of ways a student appearing in the examination gets 5 marks is ______.
Official answer
40
NTA final key (2022 Session 1).
- Idea tested
- Permutations with Repetition