August 2002, Stage 2&3

Problems

Dining Ducks

Stage: 2 Challenge Level:

Use the information about the ducks on a particular farm to find out which of the statements about them must be true.

Special Numbers

Stage: 3 Challenge Level:

My two digit number is special because adding the sum of its digits to the product of its digits gives me my original number. What could my number be?

And So on and So On

Stage: 3 Challenge Level:

If you wrote all the possible four digit numbers made by using each of the digits 2, 4, 5, 7 once, what would they add up to?

August 2002, Stage 2&3

Problems

Dining Ducks

Stage: 2 Challenge Level:

Special Numbers

Stage: 3 Challenge Level:

And So on and So On

Stage: 3 Challenge Level:

Featured Solution

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