Published by:
CGP EDU Academic Team
Published on: August 14, 2026
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, -2 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 .
Text Solution
Verified by ExpertsThe correct answer is:
40
(40)
Only one possibilities 3,3,3,-2,-2
Number of ways is 
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