Question
The surface area of water in a swimming pool forms a
rectangle with length 30m and breadth 12m. The depth of water increases uniformly from 1.4m to 2.6m at the other end. The volume (in m³) of water in the pool isSolution
Volume of water in the pool = 30 × 12 × ((1.4+2.6)/2) = 720 m³
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What is the principal amount?
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