18. 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?
goes up 8 floors higher
b. What will be Rani's score if she gets 9 answers right?
Assume that both attempted all the questions.
Answers
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2
Answer:
a.36
b.27
Step-by-step explanation:
a.12*3=36
b.9*3=27
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