Passe

Probability that Hameed passes in Mathematics is and the probability that he passes in English is If the probability of passing both courses is what is the probability that Hameed will pass in at least one of these subjects?

The probability that Hemant passes in English is (2/3) and the probability that he passes in Hindi is (5/9). If the probability of his passing both the subjects is (2/5), find the probability that he will pass in at least one of these subjects.

In on examination the probability of a student passed in physics is 2/3 , passed in both English,and physics is 14/45, If the probability of passing at least one subject is4/5 , find the probability of passing in English?

The probability that a student passes a physics test is 2/3 and the that he passes both a physics and English test is 14/25 . The that he passes at least one test is 4/5 . What is the probability that he passes the English test.

In a competitive exam 50 students passed in English. 60 students passed in Mathematics. 40 students passed in both the subjects. None of them fail in both the subjects. Find the number of students who passed at least in one of the subjects?