There are questions in a question paper, each carrying marks. There is a negative marking of mark deducted for each question answered incorrectly. A student answering all the questions got marks. Find the number of questions correctly answered by him.
- A
- B
- C
- D
Solution & Step-by-step Explanation
Let the number of correctly answered questions be .
Since the student attempted all questions, the number of incorrectly answered questions will be .
According to the marking scheme:
Hence, the student correctly answered questions.
Since the student attempted all questions, the number of incorrectly answered questions will be .
According to the marking scheme:
Hence, the student correctly answered questions.