Question

In a class test + 5 marks are given for every correct answer and -3 marks are given for every incorrect answer and no for attempting any question
i) Radhika scored 14 marks. If she has got 4 correct answer how many questions has she attempted incorrectly?
ii) Mohini scores -5 marks in this test though she has got to correct answer. How many questions has she attempted incorrectly?
iii) Rakesh scores 23 marks by attempting 19 questions. How many questions has he attempted correctly and how many has he attempted
incorrectly?

Answer 1

Answer:

i) 2

Step-by-step explanation:

+5 for correct answers

-3 for incorrect answers

0 for unattended questions

i) 4 correct answers means (4 * 5) marks = 20 marks

  As stated above, the total marks she scored was 14.

  Which means she lost 6 marks (20-14 = 6)

  Therefore, she answered 2 question incorrectly.

ii) Please retype the question

Sorry for the incomplete answer.