Ferrero Rocher Quiz Puzzle

We have all seen the Ferrero Rocher advert with the pile of chocolates at the Ambassador's party, and the sort of people we are here in Quiz Master Shop Towers, we started thinking.

If we assume that the pile is a tetrahedron (that is with one chocolate at the top resting on three chocolates in the layer below, and so on) how many chocolates are in a pile ten layers tall?

And following on from this, is there a formula to calculate the number of chocolates in a pile of any height?

As usual you can post the answers as a comment on this website, reply to the post on Facebook, or retweet or reply on Twitter @quizmastershop.

Answer at 9.00 on Monday


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