Question

If in an exam, 3 marks were awarded for each correct answer and 2 marks were deducted for
each wrong answer, then score of Hridya was 264. Find out wrong answers out of 93 answers
by her.
(a) 3
(b) 5
(2) 2
(d)
9​

Answer 1

Explanation:

let correct ans. be x

then incorrect ans.will be 93-x

a.t.q

3x+2(93-x)=264

3x+186-2x=264

x=264-186

x=78

93-x=15

hope it helps !!!!!!!!!