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A student loses I mark for every wrong answer and scores 2 marks for every correct answer . If he answers all the 60 questions in an exam and scores 39 marks , how many of them were correct?

A student loses I mark for every wrong answer and scores 2 marks for every correct answer . If he answers all the 60 questions in an exam and scores 39 marks , how many of them were correct? Correct Answer 33

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Amar, Tanmay, Viraj, Rajeev and Samuel not in the same order have their exams scheduled in different languages such as English, Punjabi, Hindi, Marathi and French though not in the same order. The exam of Samuel is scheduled after the exam of Tanmay. Rajeev does not appear the exam in French. Viraj either appears the exam in English or Hindi. The exam in French is immediately preceded by the exam in Hindi. The very last exam is of Viraj. At the most two exams are scheduled between the exam of Viraj and the Punjabi exam. The opening exam is in Marathi. Amar appears the exam in Hindi. Samuel does not appear for Punjabi exam. Rajeev’s exam was not the first. Which exam is immediately preceding and succeeding the exam in Hindi?
In an examination, two types of questions are asked: one mark questions and two marks questions. For each wrong answer, of one mark question, the deduction is 1/4 of a mark and for each wrong answer, of two marks question, the deduction is 1/3 of a mark. Moreover, 1/2 of a mark is deducted for any unanswered question. The question paper has 10 one mark questions and 10 two marks questions. In the examination, students got all possible marks between 25 and 30 and every student had different marks. What would be the rank of a student, who scores a total of 27.5 marks?
A student loses a mark for every wrong answer and scores 2 marks for every correct answer. If he answers all the 60 questions in an exam and scores 39 marks, how many of them were correct ?
A student loses 1 mark for every wrong answer and scores 2 marks for every correct answer. If he answers all the 60 questions in an exam and scores 39 marks , how many of them were correct?
A student loses 1 mark for every wrong answer and scores 2 marks for every correct answer . If he answers all the 60 questions in an exam and scores 39 marks , how many of them were correct ?
In an examination, a student can choose the order in which two questions (QuesA and QuesB) must be attempted. - If the first question is answered wrong, the student gets zero marks. - If the first question is answered correctly and the second question is not answered correctly, the student gets the marks only for the first question. - If both the questions are answered correctly, the student gets the sum of the marks of the two questions. The following table shows the probability of correctly answering a question and the marks of the question respectively.  question Probability of answering correctly marks QuesA 0.8 10 QuesB 0.5 20 Assuming that the student always wants to maximize her expected marks in the examination, in which order should she attempt the questions and what is the expected marks for that order (assume that the questions are independent)? 
A student gets +2 marks for every correct answer and -0.5 mark for every wrong answer and 0 for non-attempted question in an exam which consists of 250 questions. If the student gets 301.5 marks in the exam, then find the number of wrong questions attempted by the students. (He left 13 questions too)
A and B gave an exam. A got 60% marks and his marks are 84 marks more than the marks required to pass the exam. B got 25% marks and his marks are 63 marks less than the marks required to pass the exam. What is the required maximum marks for this exam?
In an examination, a student loses 1 mark for every wrong answer and gets 3 marks for every correct answer. If he answers all the 100 questions and scores 88 marks, how many questions did he answer correctly?
There are two students A and B. Both of them give an exam. In the exam, A scored 30% marks. If A got 14.285% marks more of the essential minimum pass marks he would pass. In the same exam, B got 45% marks and secured 28.57% marks more of the essential minimum pass marks. What are the maximum number and minimum pass marks of the exam? A. Max 600 and Min 210 B. Max 400 and Min 140 C. Max 600 and Min 200 D. Max 700 and Min 210 Which statement is/are correct?