Given three identical boxes I, II and III, each containing two coins. In ox I both coins are gold coins, in box II both are silver coins and in box III there is one gold and one silver coin. A person chooses a box at random and takes out a coin. If the coin is of gold, what is the probability that the other coin in the box is also of gold?

Given three identical boxes I, II and III, each containing two coins. In box I both coins are gold coins, in box II both are silver coins and in box III there is one gold and one silver coin. A person chooses a box at random and takes out a coin. If the first coin is gold, what is the probability that the other coin in the box is gold.

Given three identical Boxes A, B and C, Box A contains 2 gold and 1 silver coins, Box B contains 1 gold and 2 silver coins and Box C contains 3 silver coins. A person chooses a Box at random and takes out a coin. If the coin drawn is of silver, find the probability that it has been drawn from the Box which has the remaining two coins also of silver.

If two coins are tossed once, what is the probability of getting : at least one head ?

Three coins are tossed. If one of them shows tail, then find the probability that all three coins show tail.

A purse contains 4 silver and 5 copper coins. A second purse contains 3 silver and 7 copper coins. If a coin is taken out at random from one of the purses, what is the probability that it is a copper coin ?

One coin and one fair die are tossed. The probability of getting head on the coin and six on the die is

A purse contains 2 silver and 4 copper coins. A second purse contains 4 silver and 3 copper cons. If a coin is pulled at random from one of the two purses, what is the probability that it is a silver coin?

Two coins are tossed simultaneously. What is the probability of getting at least one head?

If m rupee coins and n ten paise coins are placed in a line, then the probability that the extreme coins are ten paise coins, is

Find the probability of getting head in a toss of one coin: