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 80 paise per sq. metre
Choose the correct choice from the following options:
A) Rs680
B) Rs780
C) Rs880
D) Rs480
E) Rs980
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*80   = 68000p   in Rs =68000/100= 
<gadget id="calculator">68000/100</gadget>
<output>680</output>
Rs680   Rs680NSWER:Rs680
<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 80 paise per sq. metre