Use the following information to answer the next question.
| Shashank appeared for a competitive exam comprising 50 questions. In the exam, 5 marks are awarded for each correct answer and some marks are deducted for each wrong answer. Also, 1 mark is deducted for each unattempted question. Shashank attempted 42 questions and got 14 of them incorrect. His overall score in the exam was 90. |
How many marks are deducted for each incorrect answer in the exam?
2
3
4
5