Collect the details and find the probabilites of selecting a boy from you class.

Collect the details and find the probability of selecting a girl from you class.

Collect the details and find the probabilites of selecting a boy from tenth standard in your school.

Collect the details and find the probabilites of selecting a student from tenth standard in your school.

In a class of 50 students, 20 are boys and rest are girls. A student is selected at random. Find the probability of selecting a boy.

In a class of 50 students, 20 are boys and rest are girls. A student is selected at random. Find the probability of selecting a boy.

In a class there are 60 boys and 40 girls. Among the boys as well as girls, half of them are Tamilians. If a student is selected at random then the probability of selecting a boy or Tamilian is

In a class there are 17 boys and 13 girls . In another class there are 15 boys and 12 girls. What is the probability of selecting a girl from all students from both the classes.

In a class of 60 boys and 20 girls, half of the boys and half of the girls know cricket. The probability of a person selected from the class is either a boy or a girl who knows cricket is

In a class there are 60 boys and 30 girls . In it, half of the boys and half of the girls know cricket. The probability of a person selected from the class is either a boy or a girl who know cricket is