### Brain Teasers

# Evaporation

Mad Ade has left a glass of water on the window ledge in direct sun light. On the first day 1/3 of the water evaporates. On the second day 3/4 of the remainder evaporates. By the end of the second day Mad Ade remembers the glass. How much water is left expressed as a fraction?

### Answer

1/6 of the water is left.Hide Answer Show Answer

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### Solve a Puzzle

## Comments

how??

watupchicks. If you really can't work it out, here's how.

On the first day, 1/3 evaporates, so 2/3 is left.

On the second day 3/4 of the remainder, ie 2/3, evaporates.

2/3 = 4/6. 3/4 of 4/6 = 3/6. 4/6 - 3/6 = 1/6.

On the first day, 1/3 evaporates, so 2/3 is left.

On the second day 3/4 of the remainder, ie 2/3, evaporates.

2/3 = 4/6. 3/4 of 4/6 = 3/6. 4/6 - 3/6 = 1/6.

this is basically pure math, and easy math at that.

No teaser here.

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