Brain Teasers & Puzzles

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?View SolutionSubmit Solution 21.4K views
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Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?
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 20.6K views
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There are four 3link chains. All you have to do is join them into a big 12link chain. For joining two closed links, one of the links must be cut and placed onto the other link for closing.
How many minimum links will you have to cut to make the big chain?
View SolutionSubmit Solution 20.0K views
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John was a very careless driver, so his owner Jacob gave him an offer that he will get an incentive of Rs.30 for every bottle box he delivered without breaking it and he will be charged Rs.90 for every bottle box he broke. Jacob gave John 100 bottlesbox to deliver. After delivery, Jacob paid John Rs.2400. How many bottlesbox did John break?
View SolutionSubmit Solution 19.7K views
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I want to fill my bucket using both cold and hot water.
I have two taps for both cold and hot water. The hot water tap fills the bucket in exact 6 hours and the cold water tap fills the bucket in exact 4 hours.
I turn both of them simultaneously but I forgot to turn off another tap which removes the water out of the bucket. This tap can empty the bucket in 12 hours.How Long will it take to fill the bucket?
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 18.3K views
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