Of cigarette smoking population 70% are men and 30% are women, 10% of these men and 20%of these women smoke Wills. The probability that a person seen smoking a Wills to be men is

In a group of equal number of men and women,10% of men and 45% of women are unemployed.S The probability that a person selected at random from that group is employed

In a group consisting of 80 men and 30 women, 15 per cent men and 40 per cent women are unemployed . Find the probability that a person selected at random is employed.

45% of the population of a town are men and 40% are women. What is the percentage of children?

A class contains 10 men and 20 women, among which half the men and half of the women have brown-eyes. Find the probability that a person, chosen at random, is a man or has brown eyes.

40% of the population of a town are men and 35% are women. If the number of children are 20000, then the number of men will be:

From a group of 5 men and 3 women, a committee of 4 persons is to be selected randomly. Find the probability that there is a majority of (i) men (ii) women.

Of the 288 persons working in a company, 112 are men and the remaining are women. Find the ratio of the number of men to the total number of persons.