In a class test containing 10 questions,'3' marks are awarded for every correct answer and (-1) mark is for every incorrect answers and'0' for questions not attempted
(1) Gopi gets 5 correct and 5 incorrect answers.what is his score?
(2) Reshma gets 7 correct answers and 3 incorrect
answers.what is her score?
(3) Rashmi gets 3 correct and 4 incorrect answers out of seven questions she attempts. what is her score?
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Answers
Step-by-step explanation:
i) Gopi gets 5 correct and 5 incorrect answers
To find his score
Since for every correct answer '3 marks are awarded '
For every incorrect answer '(−1) marks are awarded '
Total Score =5×3+5×(−1)
=15−5
=10
ii) Reshma gets 7 correct answer and 3 incorrect answers
To find his score
Since for every correct answer '3 marks are awarded'
For Every Incorrect Answer ' (-1) marks are awarded '
Total score =7×3+3×(−1)
=21−3
=18
iii) Reshma gets 3 correct answer and 4 incorrect answers
To find his score
Since for every correct answer '3 marks are awarded '
For every incorrect answer '(−1) marks are awarded '
Total score =3×3+4×(−1)
=9−4
=5
Answer:
A Gopi gets 12marks
Reshma gets 18
Rashmi gets 5
Step-by-step explanation:
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