I am full of keys but unlock no physical doors, solving complex math homework when a student's brain gets tired. What am I?
A calculator
Calculators feature numbered and operational buttons called 'keys' used to perform mathematical equations.
About this riddle
Wordplay riddles depend on how words look and sound. Watch for double meanings, hidden words and letters you can move or remove.
Difficulty: Medium. More like this: Wordplay riddles with answers or try Anagrid for a different kind of puzzle.
More wordplay riddles
Why did the ocean wave break up with the beach?
What is full of holes, yet manages to hold a massive amount of water?
What kind of room has zero walls, zero doors, and zero windows, yet thousands of people enter it every day?
Which scorching summer month begins with a warm embrace and ends with a sky full of glittering sparks?
Why did the burger invite the hot dog to a backyard party with open flames?
If a farmer has twenty sheep and all but ten run away, how many sheep are left?