Question: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.
Answer Area of the plot` = (110 xx 65) m^2` `= 7150 m^2` Area of the plot excluding the path `= [(110 - 5) xx (65 - 5)] m^2` `= 6300 m^2` :. Area of the path` = (7150 - 6300) m^2` `= 850 m^2` :. Cost of gravelling the path` = Rs. (850 xx 80/100)` `= Rs. 680`
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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.