Question

Find out the cost of cultivating a rectangular field 75 m long and 45m wide at Rs. 15
per square meter. Also, find the cost of fencing the field at Rs. 20 per square meter.

Answer 1

Let the length of the field be l

Given width of the field is 16 m

Given Cost of fencing per metre is 20

Total cost of fencing is 2000

⟹ Perimeter of rectangular field is

20

2000

=100 m

⟹2(l+16)=100

⟹l=50−16=34 m

Answer 2

Cultivating

Answer:

50625Rs.

Step-by-step explanation:

(1) Finding area

75×45=3375m^2

(2)Finding cost for cultivating

3375×15=50625Rs.

Fencing

Answer:

4800Rs.

Step-by-step explanation:

(1)Finding perimeter

2×(75+45)

2×120

240m

(2)Finding cost for fencing

240×20=4800Rs.