Q: Suppose you want to cut a circular cake into with five straight cuts. What is the maximum number of pieces you can create? They can be different sizes but cannot be moved around.
A: 16 pieces…see below for a possible solution

Q: A mother told her daughter “I was thrice as old as you two years ago. In 14 years, I will be twice as old as you.” What is the current age of the mother and daughter?
A: The mother is 50 and the daughter is 18.
Two years ago, they were 48 and 16.
In 14 years, they will be 64 and 32.
Here is a link to a solution on YouTube: https://youtu.be/_RWsx9gU_XI