Home
Class 14
MATHS
The floor of a rectangular hall has a p...

The floor of a rectangular hall has a perimeter 250 m. If the cost of painting the four walls at the rate of `R s\ 10\ p e r\ m^2`is Rs 15000, find the height of the hall.[Hint : Area of the four walls = Lateral surface area.]

A

8 m

B

6 m

C

9 m

D

7 m

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • VOLUME AND SURFACE AREA

    ARIHANT SSC|Exercise MULTI CONCEPT QUESTIONS|4 Videos

  • UNITARY METHOD

    ARIHANT SSC|Exercise EXERCISE HIGHER SKILL LEVEL QUESTIONS|9 Videos

  • WORK AND TIME

    ARIHANT SSC|Exercise EXERCISE HIGHER SKILL LEVEL QUESTION|16 Videos

Similar Questions

Explore conceptually related problems

The floor of a rectangular hall has a perimeter 250m. If the cost of painting the four walls at the rate of 10 per m^(2) is Rs.1500. Find the height of the hall.

The floor of a rectange hall has poimeter 850m if the cost of paimeter the floor wall at the rate a Rs to per m^(2) is Rs15000 find the height at the wall.

The floor of a rectangular hall has a perimeter of 250m .Its height is 6m. Find the cost of painting its four walls (including doors,etc.) at the rate of Rs.6 per square metre.

A hall 36 m long and 24 m broad allowing 80\ m^2 for doors and windows, the cost of papering the walls at Rs 8.40 per m^2 is Rs 9408. Find the height of the hall.

Length of a class room is two times its height and its breadth is 1 1/2 times its height. The cost of white-washing the walls at the rate of R s .1.60 p e r m^2 is R s .179.20. Find the cost of tiling the floor at the rate of R s .6.75 p e r m^2

Find the cost of painting at the rate of Rs. 5.60 per m^(2) on the hemispherical dome of diameter 10 m.

Find the cost of tiling the floor of a room at the rate of Rs. 8 per m^(2) , where the room measure 250 m long and 100 m broad.

Find the cost of white washing the four walls of a cubical room of side 4 m at the rate of Rs 20/ m^(2)

The internal length of a room is two times its breadth and three times its height. The total cost of painting its four walls at the rate of Rs. 25/ m^(2) is Rs. 3,600. What is the cost of laying a carpet on its floor at the rate of Rs. 90.50/ m^(2) ?

ARIHANT SSC-VOLUME AND SURFACE AREA -FAST TRACK PRACTICE
  1. Let A be a pyramid on a square base and B be a cube. let a,b and c den...

    Text Solution

    |

  2. A conical flask is full of water. The flask has base radius r and heig...

    Text Solution

    |

  3. Seven equal cubes each of side 5 cm are joined end-to-end. Find the su...

    Text Solution

    |

  4. A hemispherical basin of 150 cm diameter holds water 120 times as much...

    Text Solution

    |

  5. A well of inner diameter 14 m is dug to a depth of 15 m. Earth taken ...

    Text Solution

    |

  6. In a shower, 10 cm of rain falls. What will be the volume of water tha...

    Text Solution

    |

  7. A large solid metallic cylinder whose radius and height are equal to e...

    Text Solution

    |

  8. What is the volume of the largest sphere that can be curved out of a c...

    Text Solution

    |

  9. A right circular metal cone (solid) is 8 cm high and the radius is 2 c...

    Text Solution

    |

  10. Let the largest possible right circular cone and largest possible sphe...

    Text Solution

    |

  11. 10 circular plates each of thickness 3 cm, each are placed one above t...

    Text Solution

    |

  12. A cylindrical box of radius 5 cm contains 10 solid spherical balls, ea...

    Text Solution

    |

  13. A cone has height which is half of 16.8 cm, while diameter of its base...

    Text Solution

    |

  14. A hospital room is to accommodate 56 patients. It should be done in su...

    Text Solution

    |

  15. Water flows into a tank 180 m x 140 m through a rectangular × pipe of ...

    Text Solution

    |

  16. What part of a ditch, 48 metres long, 16.5 metres broad and 4 metres d...

    Text Solution

    |

  17. Find the area of the iron sheet required to prepare a cone double the ...

    Text Solution

    |

  18. A copper sphere of diameter 36 cm is drawn into a wire of diameter 4 m...

    Text Solution

    |

  19. The floor of a rectangular hall has a perimeter 250 m. If the cost of...

    Text Solution

    |

  20. The adjoining figure represents a solid consisting of a cylinder surm...

    Text Solution

    |