Mathematical Ages
Arrange these three famous mathematicians in order with the shortest-lived first.
Arrange these three famous mathematicians in order with the shortest-lived first.
How much lighter will £5 worth of 5p's be with these new lighter coins?
What were the maximum and minimum temperatures recorded in my max/min thermometer?
Using some or all of the operations of addition, subtraction, multiplication and division and using the digits 3, 3, 8 and 8 each once and only once make an expression equal to 24.
In the following sum the letters A, B, C, D, E and F stand for six distinct digits. Find all the ways of replacing the letters with digits so that the arithmetic is correct.
Is it possible to rearrange the numbers 1,2......12 around a clock face in such a way that every two numbers in adjacent positions differ by any of 3, 4 or 5 hours?