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Estimation question

A tap drips once per second. How many litres are lost in a year?

How close can you get? Make your own guess and earn points before you look at the answer.

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Show the answer and the reasoning

The answer

1,577 litres

Almost 1,600 litres from a single tap.

How to get there

  1. 31,536,000 × 0.05 ml = 1,577 l

Source: Calculation

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