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A park is in the form of a circle with radius 35m. At the centre of the park, there is a lawn in the form of a square. If the area of the park, excluding the lawn is `2500 m^(2)` find the cost of levelling the lawn at the rate of Rs 50 per `m^(2)`

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Rs 6750
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NAGEEN PRAKASHAN ENGLISH-AREA RELATED TO CIRCLES-Exercise 12 A
  1. The circumference of a circular garder is 572 m. Outside the garden a ...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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  20. In the given figure two small circles touch each other externally at t...

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