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?
Answers
Answered by
2
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
Answered by
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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