Shutterstock/ktsdesign
#74 Triple digits
Set by Alison Kiddle
Using the digits 1, 2, 3, 4, 5, 6, 7, 8 and 9 once each, create three numbers – each with three digits – and find their sum.
What is the smallest total it is possible to make in this way?
What is the second-smallest total?
Is it possible to get a total of exactly 1000? If not, how close can you get?
Solution next week
#73 Square dance
Solution
For the five tiles in the first square, the proportion of area used = (total area of small squares) / (area of outside square) =…
