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# Months and Years

The product of Mary's age in years on her last birthday and her age now in complete months is 1800.

How old was Mary on her last birthday?

If you liked this problem, here is an NRICH task which challenges you to use similar mathematical ideas.

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Age 14 to 16

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The product of Mary's age in years on her last birthday and her age now in complete months is 1800.

How old was Mary on her last birthday?

If you liked this problem, here is an NRICH task which challenges you to use similar mathematical ideas.

This problem is taken from the UKMT Mathematical Challenges.

You can find more short problems, arranged by curriculum topic, in our short problems collection.

Consider a watch face which has identical hands and identical marks for the hours. It is opposite to a mirror. When is the time as read direct and in the mirror exactly the same between 6 and 7?

A mother wants to share a sum of money by giving each of her children in turn a lump sum plus a fraction of the remainder. How can she do this in order to share the money out equally?