Question

the cost of fencing the square field at rs. 1.60/metre is rs. 3200. find the cost of reaping the field at rs. 1.20/100sq.metre

Answer 1

Given:

Rate of fencing of 1 m of the square field=₹1.60


Total Cost of fencing the square field=₹3200

Perimeter of a square field= total cost/ rate

Perimeter of the square field = 3200/1.60

=32000/16 m

Perimeter of the square field= 2000 m

Perimeter of the square field =4×side

2000 = 4 × side

Side= 2000/4

Side= 500 m

Area of the square field = side × side

Area of the square field = 500 × 500

Area of the square field =250000 m²

Rate of reaping 1 m² of the square field is ₹ 1.20/100 (given)

Cost of reaping 250000 m² square field= Area× Rate of reaping

= 250000× (1.20/100)

=250000× (0.012)

=₹ 3000

Hence, the cost of reaping the square field = ₹ 3000

Answer 2

Answer:

₹3000

Step-by-step explanation:

Perimeter of square field is =total cost/ rate

3200/1.60

2000m

perimeter of square field= 4× side= 2000

Side= 2000/4

=500m

area= 500×500

250000m. square

rate of reaping 1m.square= ₹1.20/100 square.m

250000(1.20/100)

250000(0.012)

= ₹3000