A rectangular grassy plot 110 m. by 65 m has a gravel path 2.5 m wide all round it on the inside. Find the cost of gravelling the path at 60 paise per sq. metre
Choose the correct choice from the following answers
A) s510
B) s780
C) s880
D) s480
E) s980
area of the plot=110m*65m=7150sq.m   area of plot excluding gravel110 *65= 
<gadget id="calculator">110 *65</gadget>
<output>7_150</output>
7150sq.m   area of plot excluding gravel=105m*60m=6300sq.m   area of gravel 105 *60= 
<gadget id="calculator">105 *60</gadget>
<output>6_300</output>
6300sq.m   area of gravel=7150sq.m-6300sq.m =850sq.m   cost of building it = 850sq.m*60   = 51000p   in Rs =51000/100= 
<gadget id="calculator">51000/100</gadget>
<output>510</output>
Rs510   s510NSWER:s510
<result>A</result>
A rectangular grassy plot 110 m. by 65 m has a gravel path 2.5 m wide all round it on the inside. Find the cost of gravelling the path at 60 paise per sq. metre