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The cost of fencing a circular field at the rate of Rs 240 per metre is Rs 52,800. The field is to be ploughed at the rate of Rs 12.50 per `m^(2)`. Find the cost of ploughing the field.

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The correct Answer is:
Rs 48,125
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The cost of fencing a circular field at the rate of Rs. 240 per metre is Rs. 52,800. The field is to be ploughed at the rate of 12.50 per m^(2) . Find the cost of ploughing the field.

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The cost of fencing a circular field at the rate Rs 24 per metre is Rs 5280. The field is to be ploughed at the rate of Rs 0. 50\ p e r\ m^2 . Find the cost of ploughing the field. (T a k e\ pi=22//7)

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A field is in the form of a circle. A fence is to be erected around the field. The cost of fencing would be Rs. 2640 at the rate of Rs. 12 per metre. Then, the field is to be thoroughly ploughed at the cost of Re. 0. 50\ p e r\ m^2 . What is the amount required to plough the field? [T a k e\ \ pi=22//7] .

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The cost of enclosing a rectangular garden with a fence all round, at the rate of 75 paise per metre, is Rs 300. If the length of the garden is 120 metres, find the area of the field in square metres.

The cost of moving a circular field at Rs. 16 per sq m is Rs. 2464, find : (i) the total area of the field. (ii) the radius of the circular field. (iii) cost of fencing the field at Rs. 12 per metre.

The cost of fencing a circular garden of radius 21 m at Rs 10 per metre is (a)Rs 1320 (b) Rs 132 (c)Rs 1200 (d) Rs 660

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ICSE-AREA AND PERIMETER OF PLANE FIGURES-EXERCISE 20(C)
  1. The diameter of two circles are 32 cm and 24 cm. Find the radius of th...

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  2. The radius of a circle is 5 m. Find the circumference of the circle wh...

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  3. The circle of largest area is cut from a rectangular piece of card-boa...

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  4. The following figure shows a square card-board ABCD of side 28 cm. Fou...

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  5. The radii of two cirlces are in the ratio 3 : 8. If the difference be...

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  6. The diameters of three circles are in the ratio 3 : 5 : 6. If the sum...

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  7. Find the area of a ring shaped region enclosed between two concentric ...

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  8. The circumference of a given circular park is 55 m. It is surrounded b...

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  9. There are two circular gardens A and B. The circumference of garden ...

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  10. A wheel had diameter 84 cm. Find how many complete revolutions must it...

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  11. The wheels of a car are of diameter 80 cm each. How many complete r...

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  12. An express train is running between two stations with a uniform speed....

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  13. The minute hand of a clock is 8 cm long. Find the area swept by the m...

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  14. The shaded portion of the figure, given alongside, shows two concentri...

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  15. In the figure, the area of the shaded portion is 770 cm^(2). If the ci...

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  16. The cost of fencing a circular field at the rate of Rs 240 per metre i...

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  17. Two circles touch each other externally. The sum of their areas is 58...

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  18. The given figure shows a rectangle ABCD inscribed in a circle as shown...

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  19. A square is inscribed in a circle of radius 7 cm. Find the area of the...

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  20. A metal wire, when bent in the form of an equilateral triangle of larg...

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