A rectangular lawn of dimensions 80 m * 60 m has two roads each 10 m wide running in the middle of the lawn, one parallel to the length and the other parallel to the breadth. What is the cost of traveling the two roads at Rs.4 per sq m?
Choose one:
A) 2288	B) 2779	C) 2779	D) 5200	E) 2781
Area = (l + b â€“ d) d   (80 + 60 â€“ 10)10 =&gt; 1300 m2   1300 * 4 = Rs.5200   Answer:5200
<result>D</result>
A rectangular lawn of dimensions 80 m * 60 m has two roads each 10 m wide running in the middle of the lawn, one parallel to the length and the other parallel to the breadth. What is the cost of traveling the two roads at Rs.4 per sq m?