Q1 Rakesh has a rectangular field of length 80 m and breadth 60 m. In it, he wants to make a
garden 10 m long and 4 m broad at one of the corners and at another corner, he wants to
grow flowers in two floor-beds each of size 4 m by 1.5 m. In the remaining part of the field,
he wants to apply manures. Find the cost of applying the manures at the rate of Rs 300 per
area
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Given that length of a rectangular field = 80 m Breadth of a rectangular field = 60 m Area of rectangular field = length x breadth = (80 x 60) m = 4800 m2 Again, Area of the garden = 10 m x 4 m = 40 m2 Area of one flower bed = 4 m x 1.5 m = 6 m2 Thus, Area of two flower beds = 2 x 6 m2 = 12 m2 Remaining area of the field for applying manure = Area of the rectangular field – (Area of the garden + Area of the two flower beds) Remaining area of the field for applying manure = 4800 m2 – (40 + 12) m2 = (4800 – 52) m2 = 4748 m2 Since 100 m2 = 1 acre Therefore by using the above 4748 m2 = 47.48 acres So, cost of applying manure at the rate of Rs. 300 per are will be = Rs. (300 x 47.48) = Rs. 14244.
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