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Kate's Date

When Kate ate a giant date, the average weight of the dates decreased. What was the weight of the date that Kate ate?

Grandpa's Rock Cakes

Grandpa made a super-heavy rock cake. Five people have guessed the weight of the cake. Can you work out the weight of his cake?

Balancing the Books

Age 11 to 14 Short
Challenge Level

A tourist attraction, which opens every day, needs 30 000 visitors per day on average to break even.

Last week there were 120 000 visitors.

What is the number of visitors needed this week to break even over the two-week period?

This problem is taken from the UKMT Mathematical Challenges.
You can find more short problems, arranged by curriculum topic, in our short problems collection.