A test comprises of 200 questions. Each correct answer carried 2 marks. Each wrong answer carried -1/2 mark and unanswered questions carried no marks. Ajay attempted all the questions in the test and scored 360 marks. What would be his marks, if each answer carried only 1/2 mark and each wrong answer carried -2 marks ?
Answers
Answered by
4
Step-by-step explanation:
no of correct answer x
no of wrong answer 200-x
2x-1/2(200-x)=360
4x-(200-x)=720
4x+x=720+200
5x=920
x=184
no of correct answer=184
no of wrong answer =16
b) score=1/2(184)-2*16
=92-32=60
Similar questions