We heard of a variation of Bingo where you don't win be getting a line or a full house, but by getting a selection of numbers that add up to exactly 100. If no one manages this then the prize rolls over to the next card, building up a jackpot.
It is surprisingly difficult to get numbers that add up to 100, and as a consequence the jackpot can get quite large. For example, can you find the numbers that you would need to mark off in order to get exactly 100 on the card below.
| 6 | 17 | 15 | 42 |
| 3 | 51 | 72 | 33 |
| 53 | 9 | 63 | 36 |
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Answer at 9.00 on Monday
Either 71, 17, 9 and 3
or 53, 17 15, 9 and 6