Question

In a competition examination (+4) answer,(-2)marks are given for every incorrect answer and 0 marks for not attending the questions ruchi scored 20 marks if she has got 12 correct answer how many question has she attempted in correctly

Answer 1

Answer:

2 questions she answered in correctly

Answer 2

Answer:

so ruchi attended 12 correct answer

so in correct answer =

12 into 4=48

48_20 =28

28/_2=_14

so in correct answer is _14