A rectangular grassy plot having dimensions 160 m x 45 m has a gravel path 2.5 m wide all round it on the inside. find the cost of gravelling the path at 75 paise per m². (pls give with explanation)
(A) ₹ 745
(B) ₹ 758
(C) ₹ 750
(D) ₹ 720
pls give this answer as soon a possible.
Thanks.
Answers
Answered by
27
AnswEr :-
Area of the plot =160×45m=7200m
Inner length of the plot =160−(2×2.5)=155m
Inner breadth of the plot =45−(2×2.5)=40m
Area of the plot excluding the path =155×40=6200m
Area of the path =7200 −6200 =1000m
∴ Cost of gravelling the path :
=> 1000× 75/100 = Rs.750
__________________
Answered by
2
Answer:
Rs. 750
Step-by-step explanation:
Area of the plot =160×45m=7200m
2
Width of the path =2.5m
Inner length of the plot =160−(2×2.5)=155m
Inner breadth of the plot =45−(2×2.5)=40m
Area of the plot excluding the path =155×40=6200m
2
Area of the path =7200m
2
−6200m
2
=1000m
2
∴ Cost of gravelling the path=1000×
100
75
=Rs.750
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