Question

in a test + 5 mark are given for every correct answer and minus 3 marks incorrect answer Jay answer answer all the question and core - 16 marks thought he got 4 correct answer how many incorrect answer had they attempt​

Answer 1

Answer:

4 correct answers means he should have got 4×5=20

But he has got -16

20+incorrect marks=-16

Incorrect marks=-16-20=-36

1 incorrect answer=-3 marks

Therefore the number of incorrect answer 36/3=12 Ans