Question

12. In a competitive examination, containing 24
questions, 5 marks are awarded for every correct
answer and (-2) marks are awarded for every
incorrect answer and 0 marks for questions not
attempted.
(a) David attempts 8 correct and 16 incorrect
answers. Find his score,
(b) Raveena attempts 16 correct and 8 incorrect
answers. Find her score.
(c) Hamid attempts 4 correct and 12 incorrect
answers. If he attempts 16 questions out of 24
questions, what is his score?​

Answer 1

Answer:

David score 8 correct answer and 16 incorrect answer

8*5 = 40

16*(-2) = 32

40 - 32 = 8

Raveena score 16 correct answer and 8 incorrect answer

16*5 = 90

8*(-2) = 16

90 - 16 = 74

Hamid score 4 correct answer and 12 incorrect answer

4*5 = 20

12*(-2) = 24

20 - 24 = -4

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