In a class, 40% of students study maths and science and 60 % of student study maths. What is the probability of a student studying science given the student is already studying maths?

In a class, 40% of students study Maths and Science and 60% study Maths. What is the probability of a student studying Science given the student is already studying Maths?

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 of 50 students ,each student passed Maths of English ,If 10 students passed Maths ,then find the number of students who passed English

In a class, 80% of students pass in maths exam and 70% of students pass in English exam. 10% of students fail in Both subjects and if 144 students pass in Both subejects. Find the total number of students.

In class XI of a school 40% of the students study Mathematics and 30% study Biology. 10% of the class study both mathematics and biology. If a student is selected at random from the class, find the probability that he will be studying Mathematics or Biology or both.

In class XI of a school 40% of the students study Mathematics and 30% study Biology.10% of the class study both mathematics and biology.If a student is selected at random from the class,find the probability that he will be studying Mathematics or Biology or both.

In Class XI of a school 40 % of the students study Mathematies and Biology. If a student is selected at random from the class, find the probability that he will be studying Mathemetics or Biology.