Wednesday, 5 September 2007

Is Maths Your Cup of Tea?

I caught a taxi to work today because I missed the train. The taxi driver who took me to work turned out be a former Maths teacher, and he gave me two Maths problems to solve (at my leisure, of course). Here they are. If you think you know the answer, feel free to leave your solution as a comment to this posting.

Problem 1:

You are given the numbers 3, 4, 5, and 6. Using mathematical operators (e.g. addition, subtraction, multiplication, division), obtain the sum of 28 by using each given number only once.

Problem 2:

You are given the numbers 50, 50, 50, 50. Once again, using mathematical operators, obtain the sum of 49 by using the number 50 for only four times.

Have fun!



jj said...

are you allow to use cubes and squares? or just the 4 basic operators?

Yee-chan said...

Yes ... any valid mathematical operation is allowed... ;)

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