In a school, there are 1000 students, out of which 430 are girls. It is known that out of 430, 10% of the girls study in class XII. What is the probability that a student chosen randomly studies in class XII given that the chosen student is a girl?

In a school there are 1000 students , out of which 430 girls . It is known that out of 430 , 10% of the girls study in class XII. What is the probability that a students chosen randomly studies in class XII ,given that the chosen students is a girl

In a class, there are 70 students. Thirty of them are girls and the rest are boys. What fraction of the class are boys?

Two thirds of eth students in a class are boys and the rest girls. It is known that eh probability of a girl getting a first class is 0.25 and that of a boy getting a first class is 0.28. find the probability that a student chosen at random will get first class marks in the subject.

Two thirds of the students in a class are boys and the rest girls. It is known that the probability of a girl getting a first class is 0.25 and that of a boy getting a first class is 0.28. find the probability that a student chosen at random will get first class marks in the subject.

Out of 32 students,8 are absent from the class. What is the percentage of the students who are absent?

Out of 25 students of a class, 16 are girls. What is the percentage of girls?

A class has 20 girls and 16 boys. One student is selected at random. Find the probability that the student is a girl.

A class has 12 boys and 4 girls. If three students are selected at random from the class, what is the probability that all will be boys?

In a college, 70% students pass in Physics, 75% pass in Mathematics and 10% students fail in both. One student is chosen at random. What is the probability that: He passes in Physics and Mathematics.

In an entrance examination, 60% students are boys. In the result of the test it was observed that 40% of boys secured grade 1 and 45% of girls secured grade 1. Find the probability that the student secured grade 1, if it is known the student is a girl.