Question

In a class test containing 10 questions, 3' marks are awarded for every correct answer and (-1) mark is for every in correct answer ' for questions not

attempted

a.

Gopi gets 5 correct and 5 incorrect answers. What is his score?

b. Reshma gets 7 correct answers and 3 in correct answers. What is her

score?



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Answer 1

Answer:

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 2

Answer:

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