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The means and standard devation of the marks of 200 candidates in half early exam were found to be 40 and 15 respectively. The marks of the candidates exceeds their marks by 10 in final exam. The mean and standard deviation of the marks in final exam are respectively ?

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Statements: Some exams are tests. No exam is a question Conclusions: I. No question is a test. II. Some tests are definitely not exams.

Statements: All exams are tests No test is a question Conclusions: I. Atleast some exams are question II. No exam is a question.

Probability that A will pass the exam is (1)/(4) , B will pass the exam is (2)/(5) and C will pass the exam is (2)/(3) . The probability that exactly one of them will pass th exam is

A person scores 45% of the total marks in the exam and still fails by 40 marks. The passing percentage of the exam is 55%. What is the maximum marks of the exam?