There are two ducks in front of a duck, two ducks behind a duck and a duck in the middle. How many ducks are there?
Sally is 54 years old and her mother is 80, how many years ago was Sally's mother three times her age?
An apple is 40 cents, a banana is 60 cents and a grapefruit is 80 cents. How much is a pear?
40 cents. The price of each fruit is calculated by multiplying the number of vowels by 20c
How can you get 4 from 5?