Home
Class 12
MATHS
In a purse there are 10 coins, all shill...

In a purse there are 10 coins, all shillings except one, which is a sovereign in another purse, there are 10 coins, all shilings. Nine coins are taken from the former purse and put into the latter, and then nine coins are taken from the latter and put into the former. find the chance that the sovereign is still in the first purse.

Answer

Step by step text solution for In a purse there are 10 coins, all shillings except one, which is a sovereign in another purse, there are 10 coins, all shilings. Nine coins are taken from the former purse and put into the latter, and then nine coins are taken from the latter and put into the former. find the chance that the sovereign is still in the first purse. by MATHS experts to help you in doubts & scoring excellent marks in Class 12 exams.

Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • PROBABILITY

    PRADEEP PUBLICATION|Exercise EXERCISE|467 Videos

  • MODEL PAPER (2)

    PRADEEP PUBLICATION|Exercise EXERCISE|40 Videos

  • RELATIONS AND FUNCTIONS

    PRADEEP PUBLICATION|Exercise EXERCISE|401 Videos

Similar Questions

Explore conceptually related problems

A purse contain n coins of unknown values .a coin is drawn from it at random and is found to be a rupee .Then the chance that it is the only rupee coin in the purse is

A bag contains 10 white and 3 black balls, white another bag contains 3 white and 5 black balls. Two balls are drawn from the first bag and put into the second and then a ball is drawn from the latter. What is the probability that it is white ball ?

Ten one-rupee coins are put on top of each other on a table. Each coin has a mass m Give the magnitude and direction of:- the force on the 7th coin (counted from the bottom) due to all the coins on its top,

In a set of 10 coins, 2 coins with heads on both sides. A coin is selected at random from this set and tossed five times. Of all the five times, the result was head, find the probability that the selected coin had heads on both sides.

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

Find the probability of drawing one rupee coin from a purse with two compartments one of which contains 3 fifty paise coins and 2 one rupee coins and the other contains 2 fifty paise coins and 3 one rupee coins.

From the pair of linear equations in the following problems and find their solutions (if they exist) by elimination method : There are rs 2 and rs 5 coins in a purse. If there are 60 coins of value rs 195, find the number of coins of each kind.

Form the pair of linear equations in the following problems and find their solution by substitution method : Anu has only 10 paise and 50 paise coins in her purse. If the total number of coinsis 17 and their total value is ? 4.50, find the number of each type of coins.

Home
Profile