A rectangular lawn 55 m by 35 m has two roads each 4 m wide running in the middle of it, one parallel to length and the other parallel to breadth. The cost of gravelling the roads at 75 paise per sq. metre is: A. Rs. 257.50 B. Rs. 275 C. Rs. 262.50 D. Rs. 258 Answer Workspace Report Discuss Answer with explanation Answer: Option D Explanation area of cross roads = (55 x 4) + (35 x 4)- (4 x 4) = 344sq m cost of graveling = 344 x (75/100) = Rs. 258 Workspace
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