Question

In a class test (+ 3) marks are given for every correct answer and (–2) marks are given for every

incorrect answer and no marks for not attempting any question.

i) Radhika scored 20 marks. If she has got 12 correct answers, how many questions has she

attempted incorrectly?

ii) Mohini scores –5 marks in this test, though she has got 7 correct answers. How many

questions has she attempted incorrectly?​

Answer 1

Answer:

i. Radhika attempted 16 incorrect answer.