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The volume of a rectangular block of ...

The volume of a rectangular block of stone is 10368 dm3. Its dimensions are in the ratio of 3 : 2 : 1. If its entire surface is polished at 2 paise per dm2, then the total cost will be (a) Rs 31.50     (b) Rs 31.68     (c) Rs 63     (d) Rs 63.36

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RS AGGARWAL-VOLUME AND SURFACE AREAS-All Questions
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