Question 7(ii)
In a class test containing 10 questions, 5 marks are awarded for every correct answer and (−2) marks are awarded for every incorrect answer and 0 for questions not attempted.
Reshma gets five correct answers and five incorrect answers, what is her score?

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Solution

Marks given for 1 correct answer = 5
Marks given for 5 correct answers = 5 $\times$ 5 = 25
Marks given for 1 wrong answer = - 2
Marks given for 5 wrong answers= - 2 $\times$ 5=-10
Score obtained by Reshma=25 - 10=15

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Question 7(iii)
In a class test containing 10 questions, 5 marks are awarded for every correct answer and (−2) marks are awarded for every incorrect answer and 0 for questions not attempted.
Henna gets two correct and five incorrect answers out of seven questions she attempts. What is her score?

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