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by Brian Gladman on May 18, 2019

Sunday Times Teaser 2956 – A Nice Little Earner

by Graham Smithers

Published May 19 2019 (link)

The “value” of a number is found by subtracting its first digit from the last. For example, 6, 72, 88 and 164 have values 0, – 5, 0 and 3 respectively.

Raising funds for a local charity, I placed some raffle tickets numbered from 1 up to a certain 3-digit number, in a box. Participants then selected a ticket at random. If the value of their number was positive, they won that amount in £; if the value was negative, they contributed that amount in £. Otherwise no money changed hands.

All the tickets having been used, the total amount raised in £ was a rearrangement of the digits in that number of tickets.

How much was raised?

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