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200 logs are stacked in the following manner: 20 logs in the bottom row, 19 in the next row, 18 in the row next to it an

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Question of Exercise 2 (Subjective)

Arithmetic Progression of Class 10

Question
200 logs are stacked in the following manner: 20 logs in the bottom row, 19 in the next row, 18 in the row next to it and so on. In how many rows the 200 logs are placed and how many logs are in the top row ?

Answer:

16 rows, 5 logs

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