Question

Find the expenditure incurred in cultivating a square field at the rate of rs.170 per hectare is rs.680.What would be the cost of fencing at the rate of rs.3 per metre? Solution

Answer 1

Area of field × rate = 680

Area of field = 680/170

= 4 hecatres

S × S = area of the mentioned square = 4, where s is side of the the mentioned field

S = root 4

= 2 hecatres = 20000 metres

Cost of fencing the field at the rate of rupess 3 per metre

= 3 × perimeter of the field

= 3 × 4s

= 3 × 4 × 20000

= 3 × 80000

= 240000 rupees

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Answer 2

Step-by-step explanation:

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