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pinkee | 20:28 Fri 13th Jul 2012 | Quizzes & Puzzles
5 Answers
Hi,

I am tring to find the next number in the following two sets of numbers:

4.7, 11.4, 18.1 ? This is arithmetic

36, 12, 4 ? This is Geometric

Thank-you
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Arithmetic is 29.5 (sum of previous two amounts)
add 7.7 25.8
divide by 4 1
sorry divide by 3 1.333
big jack is right as well ...
Thank you for that bigbadm.
I also agree with your geometric one - took me a while to rememeber what a geometric progression was!

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