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Exam One Number Patterns

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Defiler:

--- Quote from: "dxb" ---what about 9? I got C - 150....
--- End quote ---


Well I did it long-hand (e.g. adding up the all the numbers and obtained A... odette got A as well so I assume it is correct)

15+12.5+12.15+10.94+9.84+8.86+7.97+7.17+6.46+5.81+5.23+4.71+4.24+3.81=115.685

Odette:
Question 9 is A...
Here's how i worked it out:
t14= 15(1-0.9^14)/1-0.9
     = 115.68
     which is approximately 116

dxb:
AHhhh shit, i see what i did, i thought it was a infinant and not 14.

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