Question

*What is the length of one side of a square ground if it costs Rs. 1,20,000 at a rate of Rs.40 per square meter for the 5 layers of fencing?*

1️⃣ 600 m
2️⃣ 150 m
3️⃣ 120m
4️⃣ 300 m​

Answer 1

RS.40= 1M

RS.120000=?

120000/40

=3000 M TOTAL AREA

LET 5th LAYER X

600+150+120+300+X = 3000

1170+x = 3000

X= 3000-1170

5 TH LAYER = 1830