## Liar and truth-teller riddle with step by step easy solution

In liar and truth-teller riddle, to know the safe path, a traveler can ask only one question to any one of a habitual liar or a truth-teller. What to ask?

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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.

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**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.

Submitted by Atanu Chaudhuri on Wed, 18/11/2020 - 23:32

In liar and truth-teller riddle, to know the safe path, a traveler can ask only one question to any one of a habitual liar or a truth-teller. What to ask?

Submitted by Atanu Chaudhuri on Sun, 15/11/2020 - 17:52

Bridge Crossing Riddle: 4 persons to cross a bridge at night in 17 mins. Two persons can cross at a time with crossing speeds of each different. Read on...

Submitted by Atanu Chaudhuri on Thu, 12/11/2020 - 18:34

The 7 squares matchstick puzzle: Move 2 matches to make 7 squares in the puzzle figure. Time 10 mins. Apply reasoning based on matchstick puzzle concepts.

Submitted by Atanu Chaudhuri on Mon, 09/11/2020 - 17:32

12 balls weigh 3 times to find the one fake. All 12 balls look same and you have a pan balance with no weights. Time to solve the 12 balls puzzle 40 mins.

Submitted by Atanu Chaudhuri on Tue, 27/10/2020 - 22:19

Discover the critical information hidden in the two friends' conversation by analysis and reasoning. Ask key questions, discover answers and analyze.

Submitted by Atanu Chaudhuri on Sat, 17/10/2020 - 20:03

Find the fake ball among 9 balls in 3 weighs. All balls look alike. You have a pan balance with no weights. Time to solve is 30 minutes.

Submitted by Atanu Chaudhuri on Fri, 09/10/2020 - 00:55

Measure 4 liters of water with two empty jugs of 5 liters and 3 liters capacity and a tank full of water. Fill and pour as many times as you want.

Submitted by Atanu Chaudhuri on Thu, 01/10/2020 - 15:43

Move 2 matches to form 5 matchstick shapes of squares, triangles or rhombuses. How many such new figures can you make? Total recommended time 10 minutes.

Submitted by Atanu Chaudhuri on Tue, 29/09/2020 - 23:46

Move 1 stick to make 4 matchstick shapes of triangles, squares or rhombuses. How many such new figures can you make? Recommended time 10 minutes.

Submitted by Atanu Chaudhuri on Mon, 14/09/2020 - 17:58

How to make 4 triangles with 6 sticks! Add 3 matches to the single matchstick triangle and make 4 triangles with 6 sticks. Time to solve 5 minutes. Can you?