# 7. In a class test containing 10 questions, 5 marks are awarded for every correct answer and (–2) marks are awarded for every incorrect answer and 0 for questions not attempted. (ii) Reshma gets five correct answers and five incorrect answers, what is her score?

Given,

Total questions =

Marks for unattempted question =

According to question,

Total marks =

Therefore, Reshma scored 15 marks.

(a) David attempts 8  correct  answers

So marks of 8 correct answers = 8×5= 40 marks

So............................................ =16×(-2) = (-32)

So; 40-32=8 marks

(b) Rabina att........ 16 correct answers

So.................... 16 c......... = 16×5= 80marks

So............................................ = 8×(-2) =(-16)

So;80-16= 64 marks

(c) Hamid att.......... 4 correct answers

So................... 4 c....... =4×5=20 marks

So........................................... =12×(-2) =(-24)

So;20-24= (-4) marks

Then;(a) = 8 :(b) =64 : (c) =(-4)

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