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Sunday Times Teaser 3066 – Leaning Tower of Pesos

by Brian Gladman on June 25, 2021

by Howard Williams

Published Sunday June 27 2021 (link)

I have six old coins worth an odd number of pesos, comprising a mixture of one- and two-peso coins. Both denominations are of the same diameter and made of the same metal, but the two-peso coins are twice the thickness of the one-peso coins.

After making a vertical stack of the coins I then slid each of the top five coins as far as possible to the right, to make the pile lean as much as possible in that direction, without toppling. I managed to get the rightmost edge of the top coin a distance of one and a quarter times its diameter further right than the rightmost edge of the bottom coin.

Starting from the top, what is the value of each of the six coins?

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