You may also like
Bat Wings
Two students collected some data on the wingspan of bats, but each lost a measurement. Can you find the missing information?
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?
Age 11 to 14 Short
Challenge Level
Over a two-week period, the required number of visitors is 14 x 30 000 = 420 000.
Therefore the number required this week is 420 000 - 120 000 = 300 000 visitors
This problem is taken from the UKMT Mathematical Challenges.
You can find more short problems, arranged by curriculum topic, in our short problems collection.
Copyright © 1997 - 2023. University of Cambridge.
All rights reserved.
NRICH is part of the family of activities in the Millennium Mathematics Project.
NRICH is part of the family of activities in the Millennium Mathematics Project.