A circle of a playground is to be fenced at
circumference.The cost of the fencing is Rs.150 per sqm.
what is the total cost , if the diameter is 70?
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Answer Posted / 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
| Is This Answer Correct ? | 11 Yes | 4 No |
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