Question

5. In a class test 10 marks are awarded for every correct answer and -5 marks are
awarded for every incorrect answer and 0 marks for questions not attempted.
D) Swati gets 6 correct and 4 incorrect answers. What is her score?
ii) Shudi gets 4 correct and 6 incorrect answers. What is her score?
iii) Mona gets 52 correct and 8 incorrect answers. What is her score?
iv) Shalini gets 3 correct and 5 incorrect out of 8 questions she attempts.
What is her score?
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Answer 1

Answer:

i ) swathi score is 60 - 20 = 40 Mark's

ii) shudi score is 40 - 30 = 10 Mark's

iii) Mona score is 520 - 40 = 480 Mark's

iv) shalini gets 3 correct and 5 incorrect. She attempts only 8 questions so for the remaining 2 questions she will score zero marks.

So total marks scored by Heena is 5 × 3 - 5 × 3 +0

hope it helps you ..