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

Rs. `31.50`

Rs. `63.00`

Rs. `63.36`

Rs. `31.63`

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S CHAND IIT JEE FOUNDATION-VOLUME AND SURFACE AREA -Section A (Question Bank - 27)

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