1 out of 3
Tony and Tina can't work out which of them owes what to the other. Can you?
1 out of 3
How many of the numbers 1 to 20 are not the sum of two primes?
1 out of 3
Arrange these three famous mathematicians in order with the shortest-lived first.
1 out of 3
How far apart are the first and last bus stops in this bus route?
1 out of 3
How much lighter will £5 worth of 5p's be with these new lighter coins?
1 out of 3
What were the maximum and minimum temperatures recorded in my max/min thermometer?
2 out of 3
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.
2 out of 3
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.
2 out of 3
Replace each letter with a digit to make this addition correct.
2 out of 3
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?
