Question

In a CET examination (+2) marks given for every correct answer and (-0.5) marks is given for every wrong answer and 0 for non attempting question

1) amu scores 30 marks . if she got 20 correct answer. how many question she has attempting incorrectly

2) savita scores -4 marks if she got 3 correct answer . how many were incorrect​

Answer 1

*amu*

Correct answer 20×2=40

Total marks 30

40-30=10

Wrong answer:10÷0.5=20

Savita :

Correct answer 3×2=6

Total marks:-4

6--4=8

Wrong answer:8÷0.5=16