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A small terrace at a football ground com...

A small terrace at a football ground comprises of 15 steps each of which is 50 m long and built of solid bricks. Each step has a rise of `1/4`m and a tread of `1/2`m. Calculate the total volume of the terrace.
[Hint: Volume of the first step `=1/4 xx 1/2 xx 50 m^(3)`]

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