This is part of our collection of Short Problems.
You may also be interested in our longer problems on Ratio, Proportion and Rates of Change.
Printable worksheets containing selections of these problems are available here.
Three of a kind
Printer ink
A classy ratio
Athletics club
Family fortune
If three brothers will get £20 more if they do not share their money with their sister, how much money is there?
Eating beans
24 hour conundrum
Flying down under
Turbo tortoise
Flapjack
Roman distances
Thunder and lightning
Race time
Dean's mountain
Draining a pool
The water is being drained from a pool. After how long will the depth of the pool be 144 cm?
Decimal clock
Sharing sweets
How many swimmers?
Stair climb
Fruit basket ratio
Tyre wear
Musical maths
Approximately how long is five hundred and twenty five thousand six hundred minutes?
Don't be late
Off the cuff
The elephant diet
Use the relationship between the elephant and the rabbit to find out how many carrots the rabbit eats in a day
Out of sync
Revolutions
Washing elephants
How long will it take Mary and Nigel to wash an elephant if they work together?
Tummy ache
Hiking the hill
The London Eye
The 80 spokes of The London Eye are made from 4 miles of cable. What is the approximate circumference of the wheel?
Caught in the web
Crude calculation
Platinum puzzle
Pond runners
Can you work out how much time it will be before Katherine laps James around the pond?
Walking in the mountains
Overtake
Dolly dolphin
Can you find Dolly Dolphin's average speed as she swims with and against the current?
Travelling by train
Hillwalking
Very long line
Two trains
Two trains started simultaneously, each travelling towards the other. How long did each train need to complete the journey?
Marathon mission
Walk up the escalator
Can you work out how long Aimee would take to get up the escalator if she walked?
100m sprint
Anna, Bridget and Carol run a race. Can you work out where Carol was when Anna finished?
Boys and girls
Backwards laps
Petrol stop
From the information given, can you work out how long Roberto drove for after putting petrol in his car?