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A rectangular water tank is open at t...

A rectangular water tank is open at the top. Its capacity is 24 m3. Its length and breadth are 4 m and 3 m respectively. Ignoring the thickness of the material used for building the tank, the total cost of painting the inner and outer surfaces of the tank at the rate of Rs 10 per m2 is (a) Rs 400        (b) Rs 500       (c) Rs 600        (d) Rs 800

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RS AGGARWAL-VOLUME AND SURFACE AREAS-All Questions
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  15. The surface area of a cube is 150 cm2. Its volume is (a) 64 cm3    ...

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  16. The dimensions of a piece of iron in the shape of a cuboid are 270 ...

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