Question

There are 25 questions in a quiz. Every correct answer scores 3 points Each incorrect answer loses 2 points. A question not answered scores 0 points. It is possible to finish the quiz with a negative score. A student answers 15 questions 10 are correct how many points does he score

Answer 1

20 points

Explanation:

He had 10 correct making him earn 30 points

He had 5 wrong lossing 10 points

He didn't answer 10 lossing no point

So 30-10=20

Answer 2

Answer: 20 points

Explanation:

Total questions answered = 15

10 correct answers = 10(3) = 30

5 incorrect answers = 5(2) = 10

Therefore since the student loses 2 points with each wrong answer

=30 - 10

=20 points