In a class test containing 15 questions 4 marks are given for every correct answer & (-2) marks are given for every wrong answers: (i)Gurupreet attempts all questions but only 9 of her answers are correct.What is her total score? (ii)One of her friends gets only 5 answers correct.What will be her score?
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Step-by-step explanation:
1. 9 correct answers
1 right answer will yield 4 marks
so for 9 it will be 36 marks
her total score will be 36 marks
2. 5 correct answers will give her friend 5*4 = 20 marks
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