Jenny's Logic
Weekly Problem 52 - 2009
How did Jenny figure out that Tom's cards added to an even number?
Weekly Problem 52 - 2009
How did Jenny figure out that Tom's cards added to an even number?
How many three digit numbers formed with three different digits from 0, 1, 2, 3 and 5 are divisible by 6?
Malcolm and Nikki run at different speeds. They set off in opposite directions around a circular track. Where on the track will they meet?
Last year, on the television programme Antiques Roadshow... work out the approximate profit.
How much lighter will £5 worth of 5p's be with these new lighter coins?
What is the largest number of digits that could be erased from this 1000-digit number, to get a surprising result?