Question

In a class test (+3) marks are given for correct and (-2)for every incorrect and no marks for not attempet
1)radhika scored 20 marks if she has got 12 correct answer how many question has she attemed incorrectly

Answer 1

marks for correct answer = 12×3
= 36 marks
total marks = 20
marks for incorrect answer = 36-20
= 16 marks
incorrect answers = 16/2
= 8 marks