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The cost of the earthwork in excavation for the surface drain of cross-section shown in the given figure for a total length of 5 metres @ Rs. 450% cum, is ___________

The cost of the earthwork in excavation for the surface drain of cross-section shown in the given figure for a total length of 5 metres @ Rs. 450% cum, is ___________ Correct Answer Rs. 450

The length of drain = 5m. Width of drain as per figure = 0.5m. Depth of drain as per figure = 0.4m. Total quantity = 5 * 0.5 * 0.4 = 1 cum. As per the question, cum excavation rate is 450%.So the total cost required for excavation of drain is = 1 * 450 = Rs.450. Therefore, the answer is Rs. 450.

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