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Sunday Times Teaser 2671 – On the Face of It

by Robin Naylor

At the start of last year my wife and I were each given clocks which ran fast by a whole number of minutes per day with my wife’s running faster than my own.

When we first looked at the clock hands they showed the same time and it turned out that this would happen at least once more during the year.

It also turned out that my clock would be right at least once during every month in the year but this was not true for my wife’s clock.

How many minutes did each clock gain in a day?

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