Candle

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Candle

No Comments 17 April 2010

Two candles are the same length. Both are lit at the same time.
The first candle (#1) burns six hours before it extinguishes itself.
The second candle (#2) burns three hours before it extinguishes itself.

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Population

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Population

No Comments 16 April 2010

If 70% of the population speaks English and 60% of the population speaks French…
Question : What is the minimum percentage of French speaking persons that also speak English?

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Drain Your Brain

Cards Game

No Comments 15 April 2010

Three playing cards are placed, face down, on a table.
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Riddle Challenge I

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Riddle Challenge I

No Comments 14 April 2010

Just Scratch you head and See how smart R u ??

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Drain Your Brain

1 Liter

No Comments 14 April 2010

Given three bowls:
bowl A (8 liters capacity) filled with 5 liters of water;
bowl B (5 liters capacity) filled with 3 liters of water;
and bowl C (3 liters capacity) filled with 2 liters of water.
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Darkness Phobia

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Darkness Phobia

No Comments 13 April 2010

One family wants to get through a tunnel. Dad can make it in 1 minute, mama in 2 minutes, son in 4 and daughter in 5 minutes.

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John, His Wife And Their Daughter

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John, His Wife And Their Daughter

No Comments 10 April 2010

John, his wife and their daughter wish to cross a river. The row boat can only hold 100 kilos. John weighs 80 kilos. His wife and daughter weigh 40 kilos each.
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