At the beginning of the night three poker players; Alan, Bernie and Craig had money in the ratios 7 : 6 : 5. At the end of the night the ratio was 6 : 5 : 4. One of them won $1 200. What were the assets of the players at the beginning of the evening?
A garrison of 600 men has just enough bread ... but, with the news
that the enemy was planning an attack... How many ounces of bread a
day must each man in the garrison be allowed, to hold out 45 days
against the siege of the enemy?
Stage: 3 Challenge Level:
Anne is running around a circular track completing each circuit in
40 seconds. Brenda runs in the opposite direction and meets Anne
every 15 seconds. How long does it take Brenda to run around the
Cathy is running in the same direction as Anne and passes her every
60 seconds. How frequently do Cathy and Brenda pass each other?
The NRICH Project aims to enrich the mathematical experiences of all learners. To support this aim, members of the
NRICH team work in a wide range of capacities, including providing professional development for teachers wishing to
embed rich mathematical tasks into everyday classroom practice. More information on many of our other activities
can be found here.