Question

In a class test 3 marks are awarded for every correct answer and (-2) marks are awarded for every incorrect answer and no marks for not attempting any question. i) Eesha scored 20 marks. If she has got 12 correct answers, how many questions has she attempted incorrectly ii) Savita scored (-5) marks though she has got 7 correct answers. How many questions she attempted not correctly

Answer 1

Answer:

Radhika scored 12×3=36 marks. as 3 marks are for correct answer

final score of radhika is 20.

she got 16 marks negative. as −2 marks are for incorrect answer

therefore she made

2

16

=8 incorrect answer.

2) Mohini scored 7×3=21 marks. as 3 marks are for correct answer

final score of radhika is −5.

she got 26 marks negative. as −2 marks are for incorrect answer

therefore she made

2

26

=13 incorrect answer.