Gopi gets 5 correct and 5 incorrect answers. What is his score?

Question

In a class test containing 10 questions, ‘3’ marks are awarded for every correct answer and ( – 1) mark is for every incorrect answer and ‘0’ for questions not attempted. 

(i) Gopi gets 5 correct and 5 incorrect answers. What is his score? 

(ii) Reshma gets 7 correct answers and 3 incorrect answers. What is her score? 

(iii) Rashmi gets 3 correct and 4 incorrect answers out of seven questions she attempts. What is her score?

Answer 1

i) GopI’s score =5 × 3 + 5( – 1)= 15 + ( – 5) = 10 

ii) Reshmas score = 7 × 3 + 3 × ( – 1) = 21 +( – 3) = 18 

iii) Rashmis score = 3 × 3 + 4( – 1) = 9 + ( – 4) = 5