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A field is in the form of a circle. A fe...

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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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 per m^(2) . What is the amount required to plough the field? [Take pi=22/7] .

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The cost of fencing a square field is Rs. 1976 at the rate of Rs. 26 per metre. What is the length of each side of the field?

The cost of fencing a circular field at the rate of Rs 12 meter is Rs 2640. The field is to be ploughed at the rate of Rs 0.50 per m^(2) . Find the cost of ploughing the field ( pi = ( 22)/( 7))

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 per m^(2). Find the cost of ploughing the field. (Take pi=22/7)

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The cost of fencing a circular field at the rate of Rs.24 per metre is Rs. 5280. Find the radius of the field.

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NAGEEN PRAKASHAN-AREA RELATED TO CIRCLES-Exercise 12 A
  1. Two circles touch internally. The sum of their areas is 116 pi cm^(2) ...

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  2. The circumference of a circular garder is 572 m. Outside the garden a ...

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  3. A field is in the form of a circle. A fence is to be erected around...

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  4. The sum of the radii of two different circles is 18.5 cm and the diffe...

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  5. A race track is in the form of a ring whose outer and inner circumfere...

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  6. The area enclosed by the circumference of two concentric circles is 42...

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  7. Find the circumference of the circle whose area is 16 times the area o...

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  8. Calculate the circumference of a circle whose area is equal to the sum...

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  9. The diameters of two given circles are in the ratio 3 : 4 and the sum ...

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  10. The number denoted by the area of a cicle is five times the number den...

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  11. A park is in the form of a circle with radius 35m. At the centre of th...

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  12. If a square is inscribed in a circle, find the ratio of the areas of ...

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  13. Area of a circle is 61m^(2). Find the area of the greatest square cons...

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  14. The area of a circle inscribed in an equilateral triangle is 154\ c...

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  15. Prove that the area of a circular path of uniform width h surroundi...

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  16. The radius of a wheel is 77 cm, find the number of revolutions it will...

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  17. If the wheel of a bus with 50 cm radius makes 280 revolutions per minu...

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  18. A man runs with a speed of 15.84 km/hr. He completes 12 rouds of a cir...

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  19. A bucket is raised from a well by means of a rope which is wound round...

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  20. ABC is an equilateral triangle inscribed in a circle of radius 4 cm. F...

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