I am less than 25. My ones digit is twice my tens digit. My digits add up to an even number.
An odd version of tic tac toe
In how many different ways can you break up a stick of 7 interlocking cubes? Now try with a stick of 8 cubes and a stick of 6 cubes.
Pat has no more than $20$ sweets in a bag.
She counts her sweets in groups of two. She has one left
Then she counts her sweets in groups of five. She has $2$ left
How many sweets could Pat have? Is there another answer?