1 out of 3
Mr Ross tells truths or lies depending on the day of the week. Can you catch him out?
1 out of 3
Fill in the grid with A-E like a Sudoku. Which letter is in the starred square?
3 out of 3
Weekly Problem 1 - 2015
If $p$ and $q$ are prime numbers greater than $3$ and $q=p+2$, prove that $pq+1$ is divisible by $36$.
3 out of 3
Weekly Problem 10 - 2011
Will this product give a perfect square?
1 out of 3
Andrea has just filled up a fraction of her car's petrol tank. How much petrol does she now have?
1 out of 3
Ivan, Tibor and Alex sat a test and achieved 85%, 90% and 95% respectively. Tibor scored just one more mark than Ivan. How many marks did Alex get?
1 out of 3
What does the sum of these three numbers tell us about their product?
2 out of 3
What symbol should be inserted to make the equation true?
2 out of 3
Weekly Problem 10 - 2015
Granny is four times as old as I am. Five years ago she was five times as old as I was. What is the sum of our ages?
