In an amphitheatre

MATHEMATICS · Single correct · CBSE · Mathematics · Arithmetic Progressions · Arithmetic Progressions

Problem

In an amphitheatre, there are 28 seats in the first row, 32 seats in the second row, 36 seats in the third row, and so on. How many seats are there in the 12th row? (a) 6868 (b) 8484 (c) 7272 (d) 7676

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