A rectangular lawn of dimensions 90 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.3 per sq m?  Choose the correct choice:
A) A)4200	B) B)930	C) C)9309	D) D)3900	E) E)8302
Explanation:   4200rea = (l + b – d) d   (90 + 60 – 10)10 =&gt; 1400 m2   1400 * 3 = Rs.4200   4200nswer: Option 4200
<result>A</result>
A rectangular lawn of dimensions 90 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.3 per sq m?