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 70 paise per sq. metre Pick
A) s595
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*70   = 59500p   in Rs =59500/100= 
<gadget id="calculator">59500/100</gadget>
<output>595</output>
Rs595   s595NSWER:s595
<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 70 paise per sq. metre