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The cost of fencing a circular field at ...

The cost of fencing a circular field at the rate of Rs 24 per metre is Rs 5280. The field is to be ploughed at the rate of `R s\ 0. 50\ p e r\ m^2`. Find the cost of ploughing the field .

Text Solution

Verified by Experts

The correct Answer is:
`Rs. 1925`
Let the radius of the field `=r`
Given: `2pirxx24=5280`
`=>r=35`m
Now the cost of ploughing the field
`=pi*r^2*0.50`
`=(22/7)xx(35)^2xx0.50`
`=1925`
Therefore, required cost `=`Rs. `1925`
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