# Geometric Questions

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## Latest Questions

### Please could you show me how to work out the question below, thanks in advance?

Using arithmetic and geometric progressions work out the following: An oil rig drills to a depth of 1000metres. Estimate the cost of drilling if the ...

### Can I have two common ratio in a geometric sequence? like r = 1 then r = 2?

my terms are t1= 47 860 t2= 47 860 t3= 95 720 r = t2/t1 r = 47 860/47 860 r = 1 r = t3/t2 r = 95 720/47 860 r = 2 I end up with two Rs!!