You would still end up with a chance of 50.
Marble jars riddle.
Jar 1 contains 1 blue marble and jar 2 contains 99 blue marbles and 100 red marbles.
You will be blindfolded and the bowls and marbles will be thoroughly mixed.
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.
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.
2 8 of them are exactly the same weight.
Next riddle middle of nowhere.
Given that the number of red and blue marbles are the same you would tend to think that the odds are 50 50.
So now we can place remaining 49 red marbles in jar b so it increases the prob of getting red marbles in jar b.
In any case on to the riddle.
A king decided to let a prisoner try to escape the prison with his life.
If jar b is selected you have 49 99 chance of selecting a red marble.
If jar a is selected you have 100 chance of selecting a red marble.
1 you have 9 marbles as seen.
Riddles good riddles hard riddles iq riddles logic riddles previous riddle i have one you have one.
You don t know which is which.
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.
Yeah i probably shouldn t have even bothered with the picture.
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.
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.
Arrangements of red blue marbles.
You have 50 red marbles and 50 blue marbles other wise identical.
You are a prisoner sentenced to death.
You can divide them however you want as long as all the marbles are in the bowls.
Answer to riddle 68.
Seems tricky at first right.
Put one blue marble in one jar and put the rest of the marbles in the other jar.
This will give you just about a 75 chance of picking a blue marble.
3 you are allowed to use set the scale twice in total.
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.
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.
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.
The remaining marble is slightly heavier than the others.
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.
