Squigly Squigly's Brain Teasers

Question:

What is the next number in this sequence: 2, 5, 9, 14,...

Answer:

20. (2+3=5; 5+4=9; 9+5=14; 14+6=20; and so on.)

Try another Brain Teaser:

How was mail delivered in the days of the Old West?

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