In a quiz contest, +2 marks are given for every correct answer and -1 mark is given for every incorrect answer Riyaz scored 15 marks. If he got 9 answers correct, how many questions he attempted incorrectly?

In a quiz contest, +2 marks are given for every correct

answer and -1 mark is given for every incorrect answer
Riyaz scored 15 marks. If he got 9 answers correct, how
many questions he attempted incorrectly?

1 Answer

In a quiz contest, +2 marks are given for every correct answer and -1 mark is given for every incorrect answer Riyaz scored 15 marks. If he got 9 answers correct, how many quest…

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

Please log in or register to add a comment.

Related questions

Categories

Other Questions