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A pool is 20 m long, …

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A pool is 20 m long, 15 m broad and 4 m deep. Find the cost of cementing its floor and its wall at the rate of Rs. 12 per square meter.

    • Posted by Deepjyoti Deb 6 years, 8 months ago

    CBSE > Class 08 > Mathematics
    • 1 answers

    Ranjan Yadav 6 years, 8 months ago

    Surface area of bottom and 4 walls = lb+2(lh+bh) ---) 20x15+2(20x4+15x4) ---) 300+2(80+60) ---) 300+2(140) ---) 300+280 ---) 580 CM square (Answer)

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