A bag contains twenty Rs. 5 coins, fifty Rs. 2 coins and thirty Rs. 1 coins. If it is equally likely that one of the coins will fall down when the bag is turned upside down, what is the probability that the coin is a Rs. 1 coin ?

A bag contains twenty Rs. 5 coins, fifty Rs. 2 coins and thirty Rs. 1 coins. If it is equally likely that one of the coins will fall down when the bag is turned upside down, what is the probability that the coin : (ii) will not be a Rs. 2 coin ?

A bag contains twenty Rs. 5 coins, fifty Rs. 2 coins and thirty Rs. 1 coins. If it is equally likely that one of the coins will fall down when the bag is turned upside down, what is the probability that the coin : (iii) will neither be a Rs. 5 coin nor be a Rs. 1 coin ?

A piggy bank contains hundred 50p coins, fifty Rs. 1 coins, twenty ? 2 coins and ten Rs. 5 coins. If it is equally likely that one of the coins will fall out when the bank is turned upside down, what is the probability that the coin (i) will be a 50 p coin? (ii) will not be a Rs. 5 coin?

A piggy bank contains hundred 50 paise coins, fifty Rs. 1 coins, twenty Rs. 2 coins and ten Rs. 5 coins. If it is equally likely that one of the coins will fall out when the bank is turned upside down, find the probability that the coin which fell (i) will be a 50 paise coin (ii) will be of value more than Rs. 1 (iii) will be of value less than Rs. 5 (iv) will be a Rs. 1 or Rs. 2 coin.

A piggy bank contains hundred 50 paise coins, fifty Rs. 1 coins, twenty Rs. 2 coins and ten Rs. 5 coins. If it is equally likely that one of the coins will fall out when the bank is turned upside down, find the probability that the coin which fell will be a 50 paise win will be of value more than Rs. 1 will be of value less than Rs. 5 will be a Rs. 1 or Rs. 2 coin.

A coin is tossed twice, what is the probability that atleast one tail occurs?

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 ?

What's the probability of getting heads when filliping a coin?

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