An athlete runs 2 km on the first day of training and increases the distance by 0.25…

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

Problem

An athlete runs 2 km on the first day of training and increases the distance by 0.25 km each day. Calculate the total distance he will have run in the first 20 days. (a) 90 km90\,\text{km} (b) 85 km85\,\text{km} (c) 87.5 km87.5\,\text{km} (d) 80 km80\,\text{km}

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