Rohan appeared for the Global Talent Search Examination wherein marks are awarded for every correct answer and mark is deducted for every wrong answer. Rohan attempted all the questions and secured marks. What would have been his score if there was no negative marking?
- A
- B
- C
- D
Solution & Step-by-step Explanation
Let the number of correct answers be and wrong answers be .
Total number of questions attempted:
Total marks secured:
Substitute into the marks equation:
If there was no negative marking, he would be awarded marks only for his correct answers:
Total number of questions attempted:
Total marks secured:
Substitute into the marks equation:
If there was no negative marking, he would be awarded marks only for his correct answers: