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Question

In a class test containing $$15$$ questions, $$4$$ marks are given for every, correct answer and $$(-2)$$ marks are given for every incorrect answer. Gurpreet attempts all questions but only $$9$$ of her answers are correct. What is her total score?


Solution

Number of questions 15
Gurpreet attempt all questions but only 9 correct and 6 answers are incorrect.
$$ \Rightarrow$$ Then, total score $$ = 9 \times 4 + 6\left( { - 2} \right) $$
Total score $$=36 - 12 = 24.$$

Mathematics

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