Question

49. In a class test containing 15 questions, 4 marks are given for every correct answer and (–2)

marks are given for every incorrect answer. (i) Gurpreet attempts all questions but only 9 of her

answers are correct. What is her total score? (ii) One of her friends gets only 5 answers correct.

What will be her score?​

Answer 1

Answer:

Gurpreet's total score is:

incorrect answer 15-9=6

negative marks -2×6=-12

positive marks 9×4=36

total marks is 36-12=24

Her friend's total score is:

incorrect answer 15-5=10

negative marks -2×10=-20

positive marks 5×4=20

Total marks 20-20=0