"In an examination there are 30 questions. 1 mark is given for each correct answer and 0.25 is
Channel: Doubtnut
Date: 2020-04-05

"In an
 examination there are 30 questions. 1 mark is given for each correct answer
 and 0.25 is deducted for every incorrect answer. Ankur attempted all the
 questions and scored 13.75. How many incorrect answers did he have?
(a) 10 (b) 11 (c) 12 
 (d) 15 (e) None of these"