## Count by adding

By David, 3 August 2020 Brainteaser

**Difficulty: Fun**

I’m thinking of three numbers.

They are consecutive counting numbers.

When you add the first two numbers together, you get the third number.

What numbers am I thinking of?

**Scroll down or click for a hint, or the answer!**

## Brainteaser hint

What’s the difference between two consecutive counting numbers?

## Brainteaser answer

The numbers are 1, 2, 3 as 1 + 2 = 3.

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