A person pays for a product in 12 monthly instalments that form an arithmetic progression

MATHEMATICS · Single correct · A Level · Mathematics · Sequences and series · Sequences and series

Problem

A person pays for a product in 12 monthly instalments that form an arithmetic progression. The first instalment is ₹2,000 and the last instalment is ₹3,500. What is the total amount paid? (a) ₹32,250 (b) ₹36,000 (c) ₹33,000 (d) ₹30,250

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