Related Questions

In a rare coin collection, all coins are either pure gold or pure silver , and there is initially one gold coin for every three silver coins . With the addition of 10 more gold coins to the collection, the ratio of gold coins to silver coins is 1 to 2. Based on this information , how many total coins are there now in this collection (after the acquisition)?
Three unbiased coins are tossed. What is the probability of getting at most two heads?
A certain sum of money consists of 30 coins, some of which are 10 paisa coins and the rest are 5 paisa coins. If the total value of the coins is Tk. 2, what is the number of 10 paisa coins?
A certain sum of money consists of 30 coins, some of which are 10 paisa coins and the rest are 5 paisa coins . If the total value of the coins is TK. 2 , what is the number of 10 paisa coins?
Two unbiased coin are tossed .What is the probability of getting at most one head?
When two coins are tossed simultaneously, what are the chances of getting at least one tail?
A die is rolled and a coin is tossed What is the probability that a 3 will be rolled and a tail tossed?
Three coins are tossed. Find the probability of at least one head and one tail.
Two coins are tossed. What is the probability of getting at most one head?
A coin is tossed twice. What is the probability of getting head on first toss and tail on second toss?