Answer / antz

Rate should be Rs 150 per meter (not sqm).

(Rs 150 / m) * circumference
= (Rs 150 / m) * pi * diameter
= (Rs 150 / m) * (22/7) * 70 m
= Rs 150 * 22 * 10
= Rs 33000

Answer / ashutosh upadhyay

Seems like a trick in the question.
Rate is 150 per sq meters. Which can be interpreted as "150
Rs to fence a square whose area is 1 sq meter". Perimeter of
a square whose area is 1 sq meter is 4 meters (each side of
one meters).

So 4 meters => 150 Rs
Cost per meter => 75/2
Circumference of field => 2*22/7*35
Total cost for fencing the field => 2*(22/7)*35*(75/2)

= Rs 8250

Answer / vipin

33000

Answer / karunakumari

10500rupees

Answer / vaitheeswaran

first say diameter is in mm(or)cm

Answer / siva

diameter is given 70 assume,itin terms of mm. then the
formula for area is pi/4*d square. so the area is 3846.5
rs. multiply with cost, total cost is 576975 rs.

Answer / karthik.r

not to mention the unit of diameter .

but they mention 1sqm = rs.150

sqm is unit of area.

total area=22/7*r*r=22/7*35*35=3850sqm

total cost=3850*150=rs.5,77,500
i am considered diameter as meter

Answer / yashasvi yuvraj

Cost for Area(πr^2)= rs 150
Cost for 2πr^2=rs 2×150
Cost for 2πr(circumference)= rs (2×150)/r.
Now,
Circumference= 2×22/7×35=220
Cost of fencing= 220×(2×150)/r
=Rs 1885.7

Answer / sunilkumar

33000

Answer / nitasha sharma

(considering dia in meters)
dia:10
rad:5
circumfrence=2*pi*r=2*3.14.5=31.4
cost of fencing 1 sqmeter=150
then cost of fencing 31.4 sqmeter=31.4*150=4710

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