Mrs Claus makes a Christmas pudding and puts it in the larder ready for Christmas dinner when Santa has finished work. But Santa can’t wait and eats 10% of the pudding when she is not looking. He keeps doing this until Mrs Claus notices that more than half the pudding is gone. How many times did Santa get away with stealing pudding?
| Portions eaten | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| Amount left | 90% | 81% | 72.9% | 65.61% | 59.049% | 53.1441% | 47.82969% |
He gets away with 6 trips to the larder but not the 7th