## Riddle of Name of the Engineer

Riddle of Name of the Engineer: three businessmen with similar names as three railwaymen live in three cities. Given six conditions, find name of engineer.

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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 Mon, 06/12/2021 - 01:12

Submitted by Atanu Chaudhuri on Sun, 05/12/2021 - 20:58

In ten barrel face number riddle, rearrange ten barrels in a pyramid so that sum of face numbers of four barrels on each outer side is equal and minimum.

Submitted by Atanu Chaudhuri on Mon, 29/11/2021 - 17:57

Two circles and a line riddle: Can you traverse all parts of the puzzle figure without lifting your pencil or crossing a line? Time to solve: 15 minutes.

Submitted by Atanu Chaudhuri on Sun, 28/11/2021 - 21:21

In the puzzle figure, move 3 matches to make 7 squares. You have 5 minutes to solve the puzzle. And know how to solve easily from the solution.

Submitted by Atanu Chaudhuri on Sun, 28/11/2021 - 02:12

The number lock puzzle poses 5 clues on 3 digit codes. From the clues, the correct three digit code that'll open the lock is to be discovered in 10 mins.

Submitted by Atanu Chaudhuri on Sun, 28/11/2021 - 00:05

Can you find the three digit code to open the number lock? You have five clues each based on a code combination. You have 5 minutes to solve the riddle.

Submitted by Atanu Chaudhuri on Sat, 27/11/2021 - 20:00

Join the nine dots in a 3-by-3 grid by 4 straight lines without raising the pencil. Solve in 30 mins. Learn how to solve the tough puzzle from the solution.

Submitted by Atanu Chaudhuri on Sat, 27/11/2021 - 00:54

Add 9 matches to make 8 nodes in the puzzle figure of a triangle of 3 nodes made up of 3 matchsticks. Time to solve: 5 minutes. Try applying reason.

Submitted by Atanu Chaudhuri on Thu, 25/11/2021 - 23:44

Can you find the three-digit code to open the number lock? You have five clues each based on a code combination. Time to solve the riddle, 10 minutes.

Submitted by Atanu Chaudhuri on Thu, 25/11/2021 - 20:30

In matchstick figure, remove 3 matches and leave 3 triangles. You have 10 minutes to solve the puzzle. Try and then learn how to solve from solution.