The first row of seats in an open-air theatre has 24 seats and each successive row…

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

Problem

The first row of seats in an open-air theatre has 24 seats and each successive row has 4 more seats than the previous one. If there are 30 such rows, how many seats are there in total? (a) 2 5202\,520 (b) 2 3202\,320 (c) 2 4602\,460 (d) 2 4362\,436

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