A rectangular grassy plot 110m by 65cm has a gravel path 5cm wide all round it on the inside Find th...........

Quantitative Aptitude ( CCS) Mensuration 2D

A rectangular grassy plot 110m by 65cm has a gravel path .5cm wide all round it on the inside. Find the cost of gravelling the path at 80 paise per sq.mt

650

660

670

680

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Explanation:

area of theplot = 110 * 65 = 7150 sq.m
area of the plot excluding the path = (110-5)* (65-5) = 6300 sq.m
area of the path = 7150 - 6300 =850 sq.m
cost of gravelling the path = 850 x (80/100) = 680 Rs