Twenty frogs are sitting on a log floating on the surface of a river. Two of them decide to jump off into the water. How many frogs are there on the log at this moment?
How many times can you subtract the number two from the number fifty?
They do not possess flesh or feathers or scales or bone But still, they are blessed with fingers and thumbs of their own.
Which is the correct shadow of the bird?
How many letters are in the alphabet?
What has to be broken before you can use it?
How many sides does a circle have?
How many times can you subtract the number 5 from 25?
Give it food and it will live; give it water and it will die.
Before Mount Everest was discovered, what was the highest mountain in the world?
A wooden log balances equally on the scales when weighed with three-quarters of a pound and three-quarters of a wooden log. Can you calculate the weight of the entire wooden log?
In the 1920s, people feared that crossword puzzles would contribute to illiteracy.