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Qatar Mastermind Group

Something for all QL'ers to test the gray matter to keep that all important engine well oiled. Brain exercise is as much needed as exercise to your body!

I have always been interested in solving brain teasers and wondered if this would be a good idea to pit the QL'ers against brainteasers and see how well would they fare?

Questions will be posted at no particular defined period (i.e. whenever I am free to do so) and we shall see who gets the answers right! :) Members are also welcome to post puzzles, brainteasers, riddles as much as they like.

This group is definitely not for the ones who are plain lazy in their heads! So do you have the smartest brain of all from rest of the QL members? If you do, then welcome aboard, join this group and get ready to rack your brains! Are you the "QL Mastermind"???

P.s. Yeah I know few people could always look for answers on the web and post them here. But then again, who is at a loss? It's all for fun and entertainment anyway!

jilfer's picture

Missing number??

What is the missing number in this series? 8 2 14 6 11 ? 14 6 18 12

jilfer's picture

Missing Dollar

Three people check into a hotel. They pay $30 to the manager and go to their room. The manager suddenly remembers that the room rate is $25 and gives $5 to the bellboy to return to the people. On the way to the room the bellboy reasons that $5 would be difficult to share among three people so he pockets $2 and gives $1 to each person. Now each person paid £10 and got back £1. So they paid £9 each, totalling $27. The bellboy has $2, totalling $29. Where is the missing $1?

rayyz's picture

Relations

Who is your father's only son's brother's uncle's wife's daughter's brother's father's son?

rayyz's picture

Counterfeit Coins

Mr Smith has lots of pound coins, ten boxes in all. Each box contains 100 pound coins, but one box contains coins which are counterfeit and are slightly lighter, 1/16 of an ounce lighter to be exact. The problem lies in the fact that they all look identical, the only way to tell them apart is to weigh them. Mr Smith knows the correct weight for a box, but how many weighings are required to determine which box contains the counterfeit ones?

jilfer's picture

The twin-brothers

A traveler, on his way to a certain village, reaches a road junction, where he can turn left or right. He knows that only one of the two roads leads to village, but unfortunately, he does not know which one. Fortunately, he sees two twin-brothers standing at the road junction, and he decides to ask them for directions.

The traveler knows that one of the two brothers always tells the truth and the other one always lies. Unfortunately, he does not know which one always tells the truth and which one always lies.

Question:
How can the traveler find out the way to village by asking just "one" question to "one" of the two brothers?

Posted in:
jilfer's picture

How many terms..

How many terms will be there in the expression.. and which of these will be the highest one..

[(x-a)(x-b)(x-c)...... (x-z)](234x-535y)^23

This should be fairly easy if you are good in maths...

The Enigma Puzzle

Link: http://members.shaw....
Text from Site:

This web-based puzzle will test your powers of deduction, reasoning, logic, creativity, research, ability to see connections between apparently unrelated things, and your ability to think outside the box in general. In order to get the most out of this brain-teaser, you will need to have a computer. (Which you obviously do.) Unlike many similar puzzles of this type, the tools you need to solve these puzzles are part of your operating system already:

* A web browser (duh)
* Image viewer
* Calculator
* Notepad or another word processor
* Rudimentary "paint" program
* Media player
* It may help to have a printer... or maybe not

jilfer's picture

Fishing Pole

A boy goes and buys a one-piece fishing pole that is 6' 3" long. As he goes to get on the bus, the bus driver tells him that he can't take anything on the bus longer than 6'.

The boy goes back to town, buys one more thing, and the bus driver allows him on the bus.

He did not damage the fishing pole in any way.

What did he buy, and what did he do with it?

jilfer's picture

Four zeros EQUALS 24 ??

using just four zeros (0 0 0 0) and ANY mathematical operators(number not restricted) get the value of 24

its simple. needs a lil thinking :)
good luck

rayyz's picture

QL Mastermind Group - Names

Kevin's mother has three children. The first was called Alpha, the second was called Beta. What was the name of the third?


   

Qatar Mastermind Group

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