The Puzzle Book with Innovative Solutions
You'll enjoy solving its 50 hand-picked puzzles, but you'll also learn how to solve hard problems easily without random attempts by innovative methods.
For each one, first the puzzle is posed for you to solve within a recommended time. A detailed systematic solution then follows.
Matchstick puzzles, riddles, math puzzles, logic puzzles, river crossing puzzles, ball weighing puzzles are some of the categories.
The full list of all brain teasers with solutions is available in the link,
Challenging brain teasers with solutions: Long list.
This will always be the most up-to-date list with the brain teasers classified into categories that can be browsed separately.
You'll enjoy solving its 50 hand-picked puzzles, but you'll also learn how to solve hard problems easily without random attempts by innovative methods.
This is a rather long list of challenging brain teasers with solutions. The brain teasers are hand-picked and solutions focus on systematic problem solving.
Four persons to cross a bridge in a dark night with one torch in 15 minutes. Two persons max can cross at a time. One crosses in 1 min, second in 2 mins...
Four friends Ajoy (90 kg), Biren (80 kg), Chinu (60 kg) and Dipu (40 kg) to cross a river with their supplies (20 kg) in a small boat of 100 kg capacity...
The solutions to the liar, truth-teller and random-answerer riddle shows how to analyze a logic puzzle and find many ways of reasoning to the solution.
The lion lies on 3 days and speaks the truth other days. The unicorn lies on 3 other days. "Yesterday I was lying", the lion told the girl. "So was I"...
Imagine you need a pair of matching blue socks in a dark room. Your drawer holds 63 socks: 31 black, 15 blue, and 17 red. Pick minimum number of socks to...
Ready to challenge your thinking? Logic puzzles are a great way to exercise your brain and improve your reasoning skills. Here are three tricky ones.
Joining number of day before, days after statements together may confuse you. Example: The day before two days after the day before tomorrow is Saturday...
Test your puzzle skills on this tricky 3-letter words logic puzzle. Find the hidden word among six using just three clues! (Yes or No answers only).