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In an examination there are 150 questions and 4 marks are given for every correct answer and 1 mark is deducted for every wrong answer. A candidate attempted all 150 questions and scored 250 marks. Find the number of questions he answered correctly.
50
70
80
60
80
Practice and solve "In an examination there are 150 questions and 4 marks are given for every correct answer and 1 mark ..." for Mathematics - Previous Year Paper 2024. The correct answer is Option C: 80. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Practice and solve "In an examination there are 150 questions and 4 marks are given for every correct answer and 1 mark ..." for Mathematics - Previous Year Paper 2024. The correct answer is Option C: 80. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.