Idea is to have a small competition among kids. We can break them in 3 teams and ask to solve the following problems.
Problem #1
There are 2 empty jars: 3 gallons and 5 gallons. How to get 4 gallons of water in 5 gallon jar? All you can use these two jars.
Problem #2
There is a soccer competition with 11 teams. Each team palys with any other team 4 games. How many games in total are played in this competition?
Problem #3: 36-5
In the following sequence of numbers, each number has one more 1 than the preceding number: 1, 11, 111, 1111, 11111, ... . What is the tens digit of the sum of the first 30 numbers of the sequence?
Problem #4
There are 9 coins. 8 of them have the same weight and one is lighter, which is fake. How to determine which coin is fake in two attempts?
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment