Q5) Using the figure showing the layout of a farm house, Solve the following questions: 18m 1. What is the area of land used to grow hay? Ans: House Property 10m Hay 2. It cost 691 per m² to fertilize the vegetable garden. What is the total cost to fertilize whole vegetable garden? Ans: 20m Vegetables 8m 1/o Banana Orchard 50m 16m 3. A fence is to be enclosed around the house. The dimensions of the house are 16 m x 10 m. At least how many metres of fencing are needed? Ans: 4. Each banana tree required 2 m- of ground space. How many banana trees can be there in the orchard? Ans:
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Answer:
(a) For hay,
length of land =$17.8\ m$$
Breadth of land =10.6 m
So, Area of land used to grow hay
=17.8×10.6=188.68m
2
(b) For, vegetable garden,
Length =49 m
Breadth =15.2 m
So, Area of vegetable garden
=49×15.2=744.80m
2
Since, cost to fertilize 1m
2
vegetable garden =Rs.91
Hence, cost to fertilize 744.8 m
2
vegetable garden
=91×744.80=Rs.67776.8
(c)
House is of dimension (18.7 m×12.6 m).
fence is to be enclosed around the house.
Perimeter of the house =2(l+b)
Hence, total lengths of the fence
2(18.7+12.6)=2×31.3=62.6m
(d) Area covered by banana orchard =(20×15.7)m=314m 2
Since, 1.25sq. area required by 1 banana tree.
Hence, number of banana trees can be fitted in all area of 314m
2
=
1.25
314
=251.2≈251trees.
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251 liters is the answer
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