Question

In a class test containing 20 questions, 3 marks are given for every correct answer and (-1) mark is given

for every incorrect answer.

a) John attempts only 9 questions and gets all of them correct. What is his total score?

b) Olivia attempts all questions but gets 11 answers correct. What will be her score?​​

Answer 1

Answer:

a)27

b)33

hope this helps you

Answer 2

Answer:

John 27 and Olivia 24

Step-by-step explanation:

gn: total number of questions -20

+3 given for correct and -1 for wrong

a) John = 9*(+3)= 27

b) Olivia = correct answer score = 11*(+3) = 33

wrongly answered = 9 questions so 9*(-1) = 9

her final score = 33-9= 24