Ball Jumping

A rubber ball keeps on bouncing back to 2/3 of the height from which it is dropped. Can you calculate the fraction of its original height that the ball will bounce after it is dropped and it has bounced four times without any hindrance ?




Similar Math Riddles

In a town, there are four houses located at different distances from each other. Following are the distances:

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

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Look at this sequence from top to bottom. What is the next number in the sequence?
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1211
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Three brothers Jacob, John, and James live in Mexico City. The product of the ages of these brothers is 175. Jacob and John are twins. How old is James?

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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