Subject
Quantitative Aptitude
Topic
Areas & Volumes
The cost of fencing a square field @ Rs. 20 per metre is Rs.10.080.How much will it cost to lay a three meter wide pavement along the fencing inside the field @ Rs. 50 per sq m
The cost of fencing a square field @ Rs. 20 per metre is Rs.10.080.How much will it cost to lay a three meter wide pavement along the fencing inside the field @ Rs. 50 per sq m
ক)
53800খ)
43800গ)
83800ঘ)
73800Explanation
perimeter = total cost / cost per m = 10080 /20 = 504m side of the square = 504/4 = 126m breadth of the pavement = 3m side of inner square = 126 - 6 = 120m area of the pavement = (126 x126) - (120 x 120) = 246 x 6 sq m cost of pavement = 246*6*50 = Rs. 73800Related questions
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