In a test 3 marks are given for a right answer and 2 marks are subtracted for a wrong answer.
a. If out of 20 questions in a test Rahul gets 12 answers right. What would be his score?
b. What will be Rani's score if she gets 9 answers right?
Assume that both attempted all the questions.
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Answer:
Rahul score is 36
Rani score is 27
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