How quickly can you do this?

Logic Level 2

If you write down all the numbers from 1 to 100, then how many times do you write 3?

The answer is 20.

1 solution

Rishabh Jain
Jan 25, 2016

$\Large11$ 3's in $\color{#D61F06}{3}$ 0- $\color{#D61F06}{3}$ 9( $\small\color{#3D99F6}{(2~ in~33)})$ and $\Large 9$ in $\color{#D61F06}{3}$ ,1 $\color{#D61F06}{3}$ ,2 $\color{#D61F06}{3}$ ,4 $\color{#D61F06}{3}$ ...,9 $\color{#D61F06}{3}$ .

How quickly can you do this?

The answer is 20.

1 solution

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