Murderous Maths

The Impossible Guess

At first you might think this game would take ages - but with practise you should be able to finish it very quickly! All that happens is that the computer thinks of a TARGET number and you have to guess what it is.

Range of numbers
From:
To:
So how good are you?

How good are you?

If you set the range from 0 to 100, you should be able to hit the target with 7 guesses or less.

If the range is from 0 to 1,000, how many guesses do you think you should need?
As the range is ten times bigger, you might think you need 70 guesses! In fact you should be able to hit the target with 10 guesses or less.

If your range goes from 0 to 1,000,000 you should only need 20 guesses!

Murderous Maths
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