Select 3 Balls and place them inside the circle, the sum must be 30.
11+13+6=30 9=6 if you turn upside down
Select three balls and put them into the circles, total sum must be 30?
A bag contains 64 balls of eight different colours. There are eight of each colour (including red). What is the least number you would have to pick, without looking, to be sure of selecting 3 red balls?
Place 7 matchsticks inside the layout above to form 3 equal shapes. The 3 shapes must be equal in shape and size.
If the product of 3 consecutive numbers is divided by each of them in turn, the sum of the 3 quotients will be 74. What are the numbers?
