100+ Brain teasers with answers for kids and adults

Brainteasers with Answers - "Challenge your brain and improve your problem-solving skills with our collection of brainteasers. From logic puzzles to wordplay, our brainteasers will keep you entertained and engaged for hours. Whether you're a student looking to boost your grades or an adult looking to keep your mind sharp, our brainteasers have something for everyone. Test your mental aptitude and see just how clever you are with our challenging and fun collection of brainteasers."

Valueless if bought-Brain Teasers

47. Riddles
The cost of making only the maker knows, Valueless if bought, but sometimes traded. A poor man may give one as easily as a king. When one is broken pain and deceit are assured. What is it?
    • Answer: Promise

What letter comes next-Brain Teasers

48. Riddles
What letter comes next in the following sequence? D R M F S L T_
    • Answer: D ? each letter represents one note in the diatonic musical scale: Do, Re, Mi, Fa, Sol, La, Ti, Do
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Two boxers are in a match scheduled for 12 round-Brain Teasers

49. Riddles
Two boxers are in a match scheduled for 12 rounds. (Pure boxing only - no kicking, UFC takedowns, or anything else). One of the boxers gets knocked out after only six rounds, yet no man throws a punch. How is this possible?
    • Answer: Both boxers are female.

The water level of reservoir-Brain Teasers

50. Riddles
The water level in a reservoir is low, but doubles every day. It takes 60 days to fill the reservoir. How long does it take for the reservoir to become half full?
    • Answer: 59 days. If the water level doubles every day, the reservoir on any given day was half the size the day prior. If the reservoir is full on day 60, that means it was half full on day 59, not on day 30.