Assuming a person can grow a maximum of 40 crore hair on thier body and that the world has a population of 730 crore, What are the chances of 2 people having the same number of body hair on them ?
Looks 1/40 crore. Let the first person grow any number say n of hair. Second person can be anybody growing any number from 1 to 40 crore. The probability of n appearing in 40 crore is 1/40 crore.
There are two bags. First contains 7 red and 5 violet balls whereas second contains 7 violet and 5 red balls. A ball is drawn at random from both the bags. What is the probability of both balls having same colour?
A card is drawn from a set of playing cards, what is the probability that card drawn is a card having number greater than 5 or less than 9?
An integer from 299 through 1000 both inclusive, is to be chosen at random. What is the probability that the number chosen will have 2 as at least one of its digit?
