Similar to question about coins however it was about beads that were then not replaced. So For example there are 6 $10 chips in Urn A and 6 $1 Chips. 3 $10 chips in Urn B and 9 $1 chips. Given that the chip picked is $10, what is the probability of picking a $10 chip again and what is the estimated value of this pick.
1.5 chicken lay 1.5 eggs in 1.5 days. How many eggs do 9 chicken lay in 9 days?
How many numbers from 0 to 1000 contain at least one 2?
What is 38 squared?
What is expected value of rolling one die?
First through a dice with numbers 1 to 8. If you want you can stop or otherwise through a dice with numbers 1 to 12. You win the money equal to the final number on the face. What will be your strategy?
If there are N points on a circle, and you draw a chord between each of them, how many regions is the circle subdivided into?
I have 100 green marbles and 100 red marbles and I can divide them up however I want between 2 bags. There has to be 1 marble in each bag, other than that no restrictions. You do not know how I divide them up or which bag you are getting. If you pick a green marble I pay you 100 dollars, If you pick a red, I pay nothing. What is a fair price for this game?
3000 Apples to be transported from city A to city B, between which the distance is 1000 miles. When there is apple on the truck, one apple disappears as every mile driven. Assume unlimited gasoline, how many apples maximum can be transported to city B? Given your answer is x, what market would you make on a lottery: you win 10 dollars if your answer is correct, otherwise 0 dollar. (All calculation must be done without pen and paper)
What is the sum of all the odd numbers in between 1 and 80.
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