Area Problems
The cost of fencing a square field @ Rs. 20 per metre is Rs.10.080.How much will it cost to lay a three meter wide pavement along the fencing inside the field @ Rs. 50 per sq m

83800
73800
43800
53800

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Area Problems
The radius of a circle is increased so that its circumference increase by 5%. The area of the circle will increase by?

10.25 %
10.5 %
8.75 %
10 %

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