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?

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 ?

A purse contains 3 silver and 6 copper coins a second purse contains 4 silver and 3 copper coins.If a coin is drawn at random from one of the two purses,find the probability that it is a silver coin.

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

If two coins are tossed once, what is the probability of getting : 2 heads ?

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 a coin is flipped and one die is thrown, what is the probability of getting a head or a 4?

If a coin is flipped and one die is thrown, what is the probability of getting a head or a 4?

One purse (X) contains one white and three blue balls, another purse contains 2 white and 4 blue balls, and third purse (Z) contains 3 white and 1 blue balls. If a ball is drawn from one purse selected at random. Find the chance that it is white.

A purse contains three 10 paise, three 50 paise and ten 1 rupee coins. If three coins are selected at random, then the probability that the total amount is 2 rupee is

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.