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Small tomato seedlings in pink pots.
problem

Producing Zeros

11 to 14

Weekly Problem 10 - 2008
If the numbers 1 to 10 are all multiplied together, how many zeros are at the end of the answer?

Small tomato seedlings in pink pots.
problem

Jenny's Logic

11 to 14

Weekly Problem 52 - 2009
How did Jenny figure out that Tom's cards added to an even number?

Small tomato seedlings in pink pots.
problem

Digital Division

11 to 14

How many three digit numbers formed with three different digits from 0, 1, 2, 3 and 5 are divisible by 6?

Small tomato seedlings in pink pots.
problem

Trailing Zeros

11 to 14

How many zeros does 50! have at the end?

Small tomato seedlings in pink pots.
problem

Tenth Power

11 to 14

Do these powers look odd...?

Small tomato seedlings in pink pots.
problem

Square Percentage

11 to 14

What percentage of the integers between 1 and 10,000 are square numbers?

Small tomato seedlings in pink pots.
problem

Meeting Point

14 to 16

Malcolm and Nikki run at different speeds. They set off in opposite directions around a circular track. Where on the track will they meet?

Small tomato seedlings in pink pots.
problem

Antiques Roadshow

14 to 16

Last year, on the television programme Antiques Roadshow... work out the approximate profit.

Small tomato seedlings in pink pots.
problem

Debasing the Coinage

11 to 14

How much lighter will £5 worth of 5p's be with these new lighter coins?

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