There are 62 people employed by a company and all of them travel to work by car, bus or train. If 34 employees either drive or go by bus and the difference between those who drive and those who go by train is nine, find the number of people who use each different mode of transport.
The 7puzzle Challenge
The playing board of the 7puzzle game is a 7-by-7 grid containing 49 different numbers, ranging from 2 up to 84.
The 1st & 7th columns of the playing board contain the following fourteen numbers:
5 9 13 21 22 24 27 28 32 50 55 56 60 66
Which two numbers both become square numbers when 9 is added to them?
Make 323 Challenge
Can you arrive at 323 by inserting 2, 3, 3, 4 and 4 into the gaps below?
◯⁴+◯³+◯²–◯×◯ = 323
Answers can be found here.
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