Two Workers Two Walls Riddle

If 2 workers can complete painting 2 walls in exactly 2 hours.

How many workers would be needed to paint 18 walls in 6 hours?




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Can you think of any three-dimensional shape that comprises of exactly two surfaces?

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I purchased an awesome ice cream cone having 5 different flavour scoops.
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Intelligence Agency need to break the vault but the problem is that they are not able to break the vault.

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In a classic wine shop, the list of three most popular wines are:
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John entered the wine shop and he needs to buy
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Amazing Facts

No Solution

In 2007, a puzzle was released and $2 million prizes were offered for the first complete solution. The competition ended at noon on 31 December 2010, with no solution being found. Wiki