Question

In a class (+3) marks are given for every correct answer and (_2) marks are given for every incorrect answer and no marks for not attempting any questions.(1) radhika scored 20 marks. If she has got 12 correct answers,how many questions has she attempted incorrectly?.(2) mohini scores -5 marks in this test, thought she got 7 correct answer.how many questions has she attempted incorrectly?

Answer 1

Answer:

both answer is 8.........

Answer 2

Answer:

1st answer would be 8 incorrect answers and the 2nd one would be 13 incorrect answers.

Step-by-step explanation:

12 correct answers would mean 36 marks. But since she got 20, there's a minus of 16 marks. For each incorrect answers since "-2" marks are awarded, the answer would be 8. Similarly 13 incorrect answers for the 2md question.