Question

6
4. In a competitive examination, (+4)
marks are given for every correct
answer, (-2) marks are given for every
incorrect answer and 0 marks for not
attempting the question.
a) Ruchi scored 20 marks. If she
has got 12 correct answers, how
many questions has she attempted
incorrectly?​

Answer 1

Answer:

ruchi have answered 4 questions incorrectly