Question

find the cost of ploughing a field of length 40 cm and breadth 30 M at RS2.50 perm. also find the cost of fencing at the rate Rs 1.50 per m.

Answer 1

firstly we find the are of ploughing feild

area of ploug.... feild = 2 ( l+b)
= 2 ( 40 + 30 ) m
= 140 m

cost of ploughing = Rs 2.50 per m
= 2.50 × 140
total cost of ploughing feild is Rs 350

cost of fency ....1.50 per m
= 1.50 × 140
total cost of fency is Rs 210


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Answer 2

area of field = 40m × 30 m
= 1200 m^2
cost of ploughing the field = Rs 1200 × 2.50
= Rs 3000

perimeter of field = 140m
cost of fencing = Rs 140 × 1.50
= Rs 210