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Select following series as artithmetic, geometric or neither. 1+2 +3+4+...+10

Select following series as artithmetic, geometric or neither. 1+2 +3+4+...+10
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4 votes
Select following series as artithmetic, geometric or neither. 1+2 +3+4+...+10

User Alex Svetkin
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1 Answer

3 votes
Ok so The answer is 20
User Onlycparra
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