In a class test containing 20 questions, 4 marks are given for every correct answer and (–2) marks are given for every incorrect answer.(i) Gurpreet attempts all questions but only 9 of her answers are correct. What is her total score?
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Answer:
14
Step-by-step explanation:
Gurpreet got 9 correct and 20-9=11 incorrect. She gets 4 marks for every correct answer, thus she got 4x9=36 marks for her correct answers. She gets -2 for every incorrect answer, thus 11x(-2)=-22, Thus she lost 22 marks for her incorrect answers. 36-22=14.
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If this ur home work or exam u should not copy ur teachers would have teached u right u have to answer by the method they teached
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