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."

Guess next 3 letters- Brain Teasers

64. Riddles
Guess the next three letters in the series GTNTL.
    • Answer: I, T, S. The complete sequence is the first letter of every word in the sentence.
      

What letter comes next-Brain Teasers

66. 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

leep the least-Brain Teasers

67. Riddles
During which month do people sleep the least?
    • Answer: February (there are usually fewer nights in February).

Two boxers are in a match scheduled for 12 round-Brain Teasers

69. 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 Apple Distribution-Brain teaser

72. Riddles
You have 7 apples. You need to distribute them among 7 people in such a way that each person gets 1 apple, but one apple must remain in the basket. How do you do it?
    • Give 1 apple to each of the first 6 people, and give the 7th apple along with the basket to the last person. This way, everyone gets an apple, and one apple remains in the basket.
      

Which exit do you pick- Brain Teasers

73. Riddles
You're escaping a labyrinth and there are three exits. Exit A leads to an inferno. Exit B leads to an assassin. Exit C leads to a lion that hasn't eaten in 3 years. Which exit do you pick? 
    • Answer: Exit C. If a lion hasn't eaten in 3 years, it has definitely starved to death.

The Hourglass Puzzle-Brain teaser

74. Riddles
You have two hourglasses: one measures 7 minutes and the other measures 4 minutes. How can you measure exactly 9 minutes?
    • 1. Start both hourglasses at the same time.
      2. When the 4-minute hourglass runs out, flip it immediately.
      3. When the 7-minute hourglass runs out, flip it immediately.
      4. When the 4-minute hourglass runs out again (at 8 minutes), there is 1 minute of sand left in the 7-minute hourglass.
      5. Let that 1 minute pass. You're now measured exactly 9 minutes.
      

The Dead elevator-Brain Teasers

75. Riddles
An elevator is on the ground floor. There are four people in the elevator, including me. When the elevator reaches the first floor, one person gets out and three people get in. The elevator goes up to the second floor. Two people get out and six people get in. It then goes to the next floor up. No one gets out, but 12 people get in. Halfway up to the next floor, the cable snaps, and the elevator crashes to the floor. Everyone else dies in the lift. How did I survive? 
    • Answer: I got out on the second floor!