In a class of 50 students, 30 study Basic, 25 study Pascal and 10 study both How many study neither?

In a class of 50 students, 30 study Hindi, 25 study English and 11 study both Hindi and English. The number of students who do not study any of these two languages is

In a class, 30% students study English, 15% study Hindi and 10% study both English and Hindi. One student is selected at random. Find the probability that (i) He studies English if it known that he Hindi (ii) He studies Hindi if it is known that he studies English

In a class, 30% students study English, 15% study Hindi and 10% study both English and Hindi. One student is selected at random. Find the probability that (i) He studies English if it known that he Hindi (ii) He studies Hindi if it is known that he studies English

In a class, 40% students study mathematics, 25% study biology and 15 % study both mathematics and biology. One student is selected at random. Find the probability that (i) he studies mathematics if it is known that he studies biology (ii) he studies biology if it is known that he studies mathematics.

In a class 40% students study mathematics 25% study chemistry and 15% both mathematics and chemistry. If a student is chosen at random the probability that he studies mathematics , If it is known that he studies chemistry is

In a class , 40% students study History, 25% Civics and 15% both History and Civics. A student from the class is selected at random . The probability that he studies history, if it is known that he studies civics is

In a class of 80 students 1/8 of the total number of students like to study mathematics how many students like to study mathematics?