Marble Jars Riddle

The emperor offers you a chance to live by playing a simple game.

Marble jars riddle.

Let p blue probability of picking a blue marble. You will be blindfolded and the bowls and marbles will be thoroughly mixed. Riddles good riddles hard riddles iq riddles logic riddles previous riddle i have one you have one. The remaining marble is slightly heavier than the others.

Put one blue marble in one jar and put the rest of the marbles in the other jar. 1 2 chance we pick jar a 50 50 chance we pick a red marble 1 2 chance we pick jar b 0 50 chance we pick a red marble. If the first marble you pulled out from the box labeled both is a white marble then you solve the problem in the same general way. You can divide them however you want as long as all the marbles are in the bowls.

Jar 1 contains 1 blue marble and jar 2 contains 99 blue marbles and 100 red marbles. If we select jar a then getting a red marble is guaranteed but it will also be guaranteed if there is only one red marble in that jar then also the probability of getting a red marble from jar a is 1 1 1. In any case on to the riddle. Answer to riddle 68.

You would still end up with a chance of 50. You don t know which is which. Yeah i probably shouldn t have even bothered with the picture. He gives you 50 black marbles 50 white marbles and 2 empty bowls and instructs you to divide the 100 marbles into the two bowls.

A king decided to let a prisoner try to escape the prison with his life. You would try different combinations such as 25 of each colored marble in a jar or putting all red marbles in one jar and all the blue in the other. 3 you are allowed to use set the scale twice in total. Next riddle middle of nowhere.

Put one red marble in one jar a and the remainder in the other jar b. One of the marbles was supposed to be black and one was supposed to be blue. Arrangements of red blue marbles. 2 8 of them are exactly the same weight.

1 you have 9 marbles as seen. Seems tricky at first right. You are a prisoner sentenced to death. You would try different combinations such as 25 of each colored marble in a jar or putting all red marbles in one jar and all the blue in the other.

If jar a is selected you have 100 chance of selecting a red marble. The king placed 2 marbles in a jar that was glued to a table. With a 50 chance of selecting jar a and a 50 chance of selecting jar b the odds become 50 50 49 99 74 7474 or 148 198. You have 50 red marbles and 50 blue marbles other wise identical.

And the probability of picking a red marble from any jar is the number of red marbles in the jar over the total number of marbles in the jar. This will give you just about a 75 chance of picking a blue marble.