8. 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 each question not attempted.
(1) Ravi gets 4 correct and 6 incorrect answers. What is his score?
(ii) Reenu gets 5 correct and 5 incorrect answers. What is her score?
(iii) Heena gets 2 correct and 5 incorrect answers. What is her score?
ments are true and which are false?
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Answer:
correct answer marks = 5
wrong answer marks = -2
question not attempted= 0
Ravi gets 4 correct and 6 incorrect anwers
= 4(5) 6(-2)
20 + (-12 )
20- 12= 8 so his mark is 8
b ) Reenu gets 5 correct and 5 incorrect answers
= 5(5)+5(-2)
25 + ( -10)
Reenu mark is 15
c) Heena gets 2 correct and 5 incorrect answers =
2(5) + 5(-2)
10+(-10)
heena score is 0
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