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?

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Solution

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

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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?

Number of questions 15Gurpreet attempt all questions but only 9 correct and 6 answers are incorrect.⇒ Then, total score =9×4+6(−2)Total score =36−12=24.

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?

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