Question

find the cost for levelling the park including the track at the rate of ₹15 per sq. metre​

Answer 1

Answer:

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Solution :-

Total cost of leveling the square lawn at Rs. 15 per square meter = Rs. 19935

Area of the lawn = Total cost/Cost per square meter

= 19935/15

Area of the square lawn = 1329 Sq m

 

Area of the square = Side*Side

So, each side of the square = √1329

Each side of the square lawn = 36.45 m

Now, 

Perimeter of the square lawn = 4*Side

Perimeter = 4*36.45

Perimeter of the square lawn = 145.8 m

Cost of fencing the square lawn = Rs. 22 per meter

Total cost of fencing the square lawn = 145.8*22

= Rs. 3207.6

So, total cost of fencing the square lawn is Rs. 3207.6

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Answer 2

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Area of the rectangle = lb =

$30 \times 50 = 1500$

length of the park = 15-6 = 9m

breadth of the park = 30-6 = 23m

Area of the Park = lb =

$23 \times 9 = 207$

Area of the park= 207 sq.m.

per sq.m = RS 15

for 207 sq.m = 15*207 = Rs 19935