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NCERT Solutions Class 7 Mathematics Solutions for Exercise 1.3 in Chapter 1 - Integers
Question 1 Exercise 1.3
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?
Answer:
From the question,
Marks awarded for 1 correct answer = 5
Then,
Total marks awarded for 5 correct answer = 5 × 5 = 25
Marks awarded for 1 wrong answer = -2
Then,
Total marks awarded for 5 wrong answer = 5 × -2 = -10
∴Total score obtained by Reshma = 25 + (-10)
= 25 – 10
= 15
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