Linear equations

If you know that a fraction of X is the same as a different fraction of Y, can you work out X/Y?

Granny has taken up deep-sea fishing! Last week, she caught a fish so big that she had to cut it into three pieces in order to weigh it...

The product of Mary's age at her last birthday and her age in complete months is 1800. How old is Mary?

One night two candles were lit. Can you work out how long each candle was originally?

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?

Two brothers were left some money, amounting to an exact number of pounds, to divide between them. DEE undertook the division. "But your heap is larger than mine!" cried DUM...