Home
Class 10
MATHS
A circular grassy plot of land, 42 m in ...

A circular grassy plot of land, 42 m in diameter, has a path 3.5 m wide running round it on the outside. Find the cost of gravelling the path at Rs 4 per square metre.

Promotional Banner

Topper's Solved these Questions

  • ARITHMETIC PROGRESSIONS

    RD SHARMA ENGLISH|Exercise All Questions|329 Videos

Similar Questions

Explore conceptually related problems

A circular grassy plot of land, 42 m in diameter has a path of 3.5m wide running round it on the outside. Find the cost of gravelling the path at Rs.4 per square metre.

A rectangular 75 m by 60 m has a 1.5 m wide path runing around outside it. Find the cost gravelling this path at the rate of Rs 8 per sq. m

One side of a square plot is 250m, find the cost of levelling it at the rate of Rs. 2 per square metre.

A rectangular grassy plot is 112m long and 78m broad. It has a gravel path 2.5m wide all around it on the side. Find the area of the path and the cost of constructing it at Rs. 4.50 per square metre.

A rectangular grassy lawn measuring 30m by 28 m is to be surrounded externally by a path which is 2 m wide. Find the cost of levelling the path at the rate of Rs 5 per square metre.

A rectangular grassy lawn measuring 30m by 28 m is to be surrounded externally by a path which is 2 m wide. Find the cost of levelling the path at the rate of Rs 5 per square metre.

A circular pond is of diameter 17.5 m . It is surrounded by a 2 m wide path. Find the cost of constructing the path at the rate of Rs. 25 per square metre.

A rectangular garden is 120 m long and 65 m broad .A path of uniform width of 5 m has to be constructed around it on its outside .Find the cost of gravelling the path at Rs. 11.40 per m^(2) .

A circular field of radius 41 m has a circular path of uniform width 5 m along and inside its boundary . Find the cost of paving the path at Rs. 25 per sq . Metre .

The length and breadth of a park are in the ratio 2:1 and its perimeter is 240 m. a path of 2 m wide runs inside it, along boundary. Find the cost of paving the path at Rs.3 per m^2 .

RD SHARMA ENGLISH-AREAS RELATED TO CIRCLES-All Questions
  1. Find the area of a shaded region in the figure, where a circular arc o...

    Text Solution

    |

  2. Figure, shows a kite in which BCD is the shape of a quadrant of a c...

    Text Solution

    |

  3. A circular grassy plot of land, 42 m in diameter, has a path 3.5 m ...

    Text Solution

    |

  4. From each of the two opposite corners of a square of side 8cm, a qu...

    Text Solution

    |

  5. The diagram shown two arcs, A and B. Arc A is part of the circle with ...

    Text Solution

    |

  6. A copper wire, when bent in the form of a square, encloses an area ...

    Text Solution

    |

  7. The inner circumference if a circular track is 220m. The track is 7m ...

    Text Solution

    |

  8. A boy is cycling such that the wheels of the cycle are making 140 r...

    Text Solution

    |

  9. The diameter of the driving wheel of a bus is 140cm. How many revol...

    Text Solution

    |

  10. Find the area of a quadrant of a circle whose circumference is 22 c...

    Text Solution

    |

  11. If the perimeter of a semi-circular protractor is 108cm, find the d...

    Text Solution

    |

  12. Two circles touch externally. The sum of their areas is 130pi sq. cm ...

    Text Solution

    |

  13. In a circle of radius 6 cm, a chord of length 10 cm makes an angle ...

    Text Solution

    |

  14. Figure shows a sector of a circle of radius r containing an angle thet...

    Text Solution

    |

  15. If he equation x^3+a x^2+b x+216=0 has three real roots in G.P., then ...

    Text Solution

    |

  16. A sector of 56^@ cut out from a circle contains area 4. 4 c m^(2). Fin...

    Text Solution

    |

  17. A horse is tied to a pole with 28 m long string. Find the area wher...

    Text Solution

    |

  18. If a square is inscribed in a circle, what is the ratio of the area...

    Text Solution

    |

  19. The length of the minute hand of a clock is 14 cm. Find the area swept...

    Text Solution

    |

  20. In a circle of radius 21cm, an arc subtends an angle of 60^0 at the ce...

    Text Solution

    |