Question

ycals
7. What is the cost of ploughing a rectangula
field of sides 100 metres and 80 metres, ifth
cost of ploughing is 20 per sq metre?
(2 Points)
1,06,000​

Answer 1

Answer:

Rs. 160000. ★★

Step-by-step explanation:

The area of the field= L×B

= 80m×100m=8000m²

Rate of ploughing per m²=20 Rs/m

Rate of ploughing this field=8000×20=Rs. 160000

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Answer 2

Question :

What is the cost of ploughing a rectangula

field of sides 100 metres and 80 metres, if the cost of ploughing is 20 per sq metre?

Answer :

$\sf\pink{Given}$

• Length of the rectangular field is 100 m

• Breadth of the rectangular field is 80 m

• Cost of ploughing is 20 per m²

$\sf\pink{To\:Find}$

• Cost of ploughing the whole field .

Explanation :

To find the cost of ploughing the whole field we need to find the area of the field and then multiply it by the cost of ploughing per meter square .

$\bf\purple{Area\:Of\: Rectangular\:Field\:= length\times breadth }$

$\bf\purple{Area\:Of\: Rectangular\:Field\:= 100\times 80}$

$\bf\purple{Area\:Of\: Rectangular\:Field\:= 8000}$

• Therefore the area is 8000 m²

$\bf\red{Cost\:of\: ploughing\:= Area\times cost}$

$\bf\red{Cost\:of\: ploughing\:=8000\times 20}$

$\bf\red{Cost\:of\: ploughing\:= 160000}$

• Therefore cost of ploughing the field is Rs 1,60,000