Question

31. In a class test containing 15 questions, 4
marks are given for every correct answer
and (-2) marks are given for every incorrect
answer. (a) Gurpreet attempts all questions
but only 9 of her answers are correct. What
is her total score? (b) One of her friends
gets only 5 answers correct. What will be
her score?

Answer 1

Answer:

a. 24

b. 0

Step-by-step explanation:

a. total of correct marks =9 x 4= 36

   total of wrong marks= 6 x -2= -12

   total marks = 36+(- 12)

                        =24

b. 5 x 4 = 20

     10 x -2 = 20

      20 + (-20)

        = 0

Answer 2

hay!!

given

⟼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?

to find

(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

⟼ 24.

⟼ 0.

solusion

⟼see in attachment

hope it's helps you