Question

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

Answer 1

Corect answer=12
Marks for corect answer=12*4=48
Marks scored=20
So negative marks=48-20 =28
So, negative questions=28/2=14