Question

In a class test containing 10 questions, 5 marks are awarded for every correct answer & (- 2) marks are

awarded for every incorrect answer & 0 for question not attempted.

(I) Ronit gets two correct & five incorrect answers out of seven questions he attempts. What is his

score?

(ii) Sohan gets five correct answers & five incorrect answers. What is his score?​

Answer 1

Answer:

Ronit score is 0

sohan score 15

Answer 2

Answer:

1. Ronit gets 5 correct answers, i.e, x = 5. And 5 incorrect answers,i.e, y = 5. Therefore, the score = 3x-y =15-5 =10 marks.

2. Total questions = 10 Marks for correct answer = +5 Marks for incorrect answer = -2 Marks for no attempt = 0 sohan marks for 4 correct answers = 4 × 5 = 20 sohan marks for 6 incorrect answers= 6 × (-2) = 12 ∴ Total marks = 20 + (-12) = 20 – 12 = 8 Total marks scored by sohan is = 8Read more on Sarthaks.com - https://www.sarthaks.com/684694/sohan-gets-four-correct-and-six-incorrect-answers-what-is-his-score