Question

In a class test containing 20 questions, 4 marks are given for every correct answer and (–2) marks are given for every incorrect answer. (i) Aron attempts all questions but only 9 of his answers are correct. What is his total score? (ii) One of his friends gets only 5 answers correct.
What will be his score?

Answer 1

Answer:

(1)14

(2)-10

Step-by-step explanation:

(1) 9×4+11×(-2)

36-22

14

(2)5×4-15×(-2)

20-30

-10

Answer 2

Answer:

Marks given for one correct answer =4

So, marks given for 9 correct answers are

=4 X 9 = 36

Marks given for one incorrect answer

=-2

So, marks given for 6=(15-9) incorrect answers

= (-2) X 6 =-12

Therefore, Gurpreet's total score is

= 36 - 12 = 24

Step-by-step explanation:

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