8. In a class test containing 10 questions, 5 marks are awarded for ev

1.	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?11
Answer» 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

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?11

Answer»

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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