Question

Raghav scored 70 marks in a test, getting 4 marks for each right answer and losing 1 mark for each wrong answer. Had 5 marks been awarded for each correct answer and 2 marks been deducted for each wrong answer, then Raghav would have scored 80 marks. How many questions were there in the test? 

Which values would have Raghav violated if he resorted to unfair means?

Answer 1

Let number of right answers be x.

Let number of wrong answers be y.

As per question