Home
Class 7
MATHS
The area of a square piece of land is 64...

The area of a square piece of land is 6400 sq.m. Let's find the cost of fencing all around the land at Rs. 3.50 per meter.

Promotional Banner

Topper's Solved these Questions

  • APPROXIMATION OF VALUES

    JNAN PUBLICATION|Exercise EXAMPLE|13 Videos
  • CONCEPT OF CONGRUENCY

    JNAN PUBLICATION|Exercise EXAMPLE|10 Videos

Similar Questions

Explore conceptually related problems

A well is drugged on a square field of side 4.2 m. Find the expenditure of fencing round the well at a rate of Rs. 10 per meter.

The area of a square is frac(1089)(625) sq. cm. Let's find the length of its side.

The area of the square is 32.49 sq.cm. Let's find the length of one ride of the square.

The area of a square park PQRS is 2500 sq. m. and a path of 6m. wide runs all around out side the park. Let's find the area of this path.

The present value of a piece of land is Rs. 2x. If the value of the land increases at the rate of 2r% per annum, then after 2n after years the value of the land will be

The diameter of the base of a cylindrical pillar is 4 m and its height is 21 metres. Find the cost of constructing the pillar at Rs. 1(2)/(3) per cubic-metre.

A storage tank consists of a circular cylinder with a hemisphere stuck on either end. If the external diameter of the cylinder be 1.4 m and its length be 8 m. Find the cost of painting it on the outside at rite of Rs. 20per m^2 .

The length of outer an inner diameter of a right circular cylindrical pipe open at two ends are 30 cm and 26 cm respectively and length of pipe is 14.7 metre. Find the cost of painting its all surfaces with coaltar at Rs 2.25 per dcm.

Our local cub room is square in shape of side 15m long and 5m high.l There are 4 dors in the club room each 1.5m. wide and 2m. high. Let's calculate the cost of oil painting its 4 walls without doors at Rs. 350 per sq.m.

The length of Karim uncle's plot of lands is twice its breadth and its area is 578 sq.m. Let us find the length, breadth and perimeter of Karim Uncle's land.

JNAN PUBLICATION-AREA OF RECTANGLES AND SQUARES-EXAMPLE
  1. Let's calculate mentally and write. Let's calculate the area of a sq...

    Text Solution

    |

  2. Let's calculate mentally and write. If the area of a square is 4 sq....

    Text Solution

    |

  3. Let's calculate mentally and write. Let us assume a rectangle whose ...

    Text Solution

    |

  4. Let's calculate mentally and write. Mihir made a square carboard who...

    Text Solution

    |

  5. Let's calculate mentally and write. The area of a 5m. square is...sq...

    Text Solution

    |

  6. The length and breadth of a page of my exercise book is 15 cm. and 12 ...

    Text Solution

    |

  7. Rajesh has a rectangular plot of land, of length 36 m. and breadth 24m...

    Text Solution

    |

  8. Rajesh has a rectangular plot of land, of length 36 m. and breadth 24m...

    Text Solution

    |

  9. Rajesh has a rectangular plot of land, of length 36 m. and breadth 24m...

    Text Solution

    |

  10. Maria's family has a square plot of land of side 20m. A path 1m wide r...

    Text Solution

    |

  11. The area of a square piece of land is 6400 sq.m. Let's find the cost o...

    Text Solution

    |

  12. The length of Karim uncle's plot of lands is twice its breadth and its...

    Text Solution

    |

  13. The length of rectangular state of a theatre is twice its breath. If c...

    Text Solution

    |

  14. The cost of cultivation of a 30 m long pieces of land is Rs. 150. Had ...

    Text Solution

    |

  15. The length and breadth of a rectangular hall is 30 m. and 18 m respect...

    Text Solution

    |

  16. In the figures given below, let us find the areas of the coloured port...

    Text Solution

    |

  17. In the figures given below, let us find the areas of the coloured port...

    Text Solution

    |

  18. In the figures given below, let us find the areas of the coloured port...

    Text Solution

    |

  19. In the figures given below, let us find the areas of the coloured port...

    Text Solution

    |

  20. Our local cub room is square in shape of side 15m long and 5m high.l T...

    Text Solution

    |