0 NPR Sunday Puzzle: Nov. 13, 2011

Will Shortz, NPR Sunday Puzzle
Here's the solution to last week's NPR Sunday Puzzle (Nov. 6):

Answer: 25 equilateral triangles.
NPR Sunday Puzzle for Nov. 13:
What number comes next in the following series: 2, 4, 6, 9, 11, 15, 20, 40, 60 and 90?
Submit your answer to NPR for a chance to be on next week's broadcast and be sure to visit Jenny's Noodle next Sunday to see the correct answer!

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