Arrange the numbers 1 to 6 in each set of circles below. The sum of each side of the triangle should equal the number in its centre.
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
Pat has no more than $20$ sweets in a bag.
She counts her sweets in groups of two. She has one left over.
Then she counts her sweets in groups of five. She has $2$ left over.
How many sweets could Pat have? Is there another answer?