S-6-24-A girl walking uphill covers a distance of 20 m during the first minute, 18m during the second minute and 16m during the third minute and so on. How much distance will she cover in (i) 10th minute (ii) 10 minutes?

A girl walking uphill covers a distance of 20 m during the first minute, 18m during the second minute and 16m during the third minute and so on. How much distance will she cover in (i) 10th minute (ii) 10 minutes?

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