There are 120 students in a class who have opted for the following MIL. English 20, Oriya 70, Bengali 30. If a student is chosen at random, Find the probability that the student is studying neither Bengali nor English

There are 120 students in a class who have opted for the following MIL. English 20, Oriya 70, Bengali 30. If a student is chosen at random, Find the probability that the student is studying Bengali or English

In a college, 30% students fail in Physics, 25% fail in Mathematics and 10% fail in both. One student is chosen at random. Find the probability that she fails in Physics, if she failed in Mathematics.

In a college, 70% students pass in Physics, 75% students pass in Mathematics and 10% students fail in both. One student is chosen at random. What is the probability that (1) he passes in Physics and Mathematics? he passes in Physics, given that he passes in Mathematics?

In a college, 70% students pass in Physics, 75% students pass in Mathematics and 10% students fail in both. One student is chosen at random. What is the probability that (1) he passes in Physics and Mathematics? he passes in Mathematics, given that he passes in Physics?

There are 20 boys and 10 girls in a class. If a committee of 6 is to be chosen at random having at least 2 boys and 2 girls, find the probability that there are 3 boys in the committee

There are 20 boys and 10 girls in a class. If a committee of 6 is to be chosen at random having at least 2 boys and 2 girls, find the probability that there are 4 boys in the committee