Home
Class 10
MATHS
The area of a rectangular playground is ...

The area of a rectangular playground is 420 sq.m. If its length is increasing by 7m and breadth is decreased by 5m, the area remains the same.Find the length and breadth of the playground.

Text Solution

Verified by Experts

The correct Answer is:
Length=21m, breadth=20m
Promotional Banner

Topper's Solved these Questions

  • QUADRATIC EQUATIONS

    TARGET PUBLICATION|Exercise Chapter Assessment|42 Videos

  • PYTHAGORAS THEOREM

    TARGET PUBLICATION|Exercise Chapter Assessment|16 Videos

  • QUESTION FROM STD. IX

    TARGET PUBLICATION|Exercise Statistics|14 Videos

Similar Questions

Explore conceptually related problems

The length of a rectangular blackboard is 8 m more than its breadth. If its length is increased by 7m and its breadth is decreased by 4 m, its area remains unchanged. The length and breadth of the rectangular blackboard is (a) 24m, 16m (b) 20m, 24m (c) 28m, 16m (d) 28m, 20m

The perimeter of a rectangle is 100 m .If the length is decreased by 2m the breadth is increased by 3m,then,area increased by 44m^2 .Find the length & breadth of the rectangle?

The area of a rectangular ground is 120m^(2) and its length is 12 m. Find its breadth.

The area of a rectangle remains the same if the length is increased by 7 metres and the breadth is decreased by 3 metres.The area remains unaffected if the length is decreased by 7 metres and breadth is increased by 5 metres.Find the dimensions of the rectangle.

If the area of a rectangular field is 562.5 sq.m and it's length is 22.5m, then the breadth is ?

The area of a rectangular playground is 300 sq m. If the breadth of the field is 15 m, find the length of the field.

If the length and breadth of a rectangular plot are each increased by 1 m, then the area of the floor is increased by 21 sq m. If the length is increased by 1 m and breadth is decreased by 1 m, then the area is decreased by 5 sq m. What is is the perimeter of the floor ?

The area of rectangle gets reduced by 8m^(2) , when its length is reduced by 5 m and its breadth is increased by 3m. If we increase the lenght by 3m and breadth by 2m then area increase by 74 m^2 of the rectangle. Find the length and breadth of rectangle

The length of a rectangle exceeds its breadth by 7 cm. If the length is decreased by 4 cm , and the breadth is increased by 3 cm, the area of the new rectangle is the same as the area of the original ractangle. Find the length and breadth of the original rectangle.

TARGET PUBLICATION-QUADRATIC EQUATIONS-Additional problems for Practice : Based on Practice set 2.6
  1. The denominator of a fraction exceeds its numerator by 2. If one is ad...

    Text Solution

    |

  2. A train, travelling at a uniform speed for 360 km, would have taken 48...

    Text Solution

    |

  3. The area of a rectangular playground is 420 sq.m. If its length is inc...

    Text Solution

    |

  4. If the cost of bananas is increased by rupees 10 per dozen, one can ge...

    Text Solution

    |

  5. Anand takes 9 days more than his father to do a certain piece of work....

    Text Solution

    |

  6. One tank can be filled up by two taps in 6 hours. The smaller tap alon...

    Text Solution

    |

  7. The product of Yusuf's age 5 years ago and his age 5 years ago and his...

    Text Solution

    |

  8. The product of two consecutive positive number is 182, find the number...

    Text Solution

    |

  9. Sanket purchesed a rectangular plot having area 200m^2. Length of the ...

    Text Solution

    |

  10. The length of a rectangle is twice as long as the side of a square. Th...

    Text Solution

    |

  11. The sum of a natural number and its reciprocal is 10/3. Find the numbe...

    Text Solution

    |

  12. A natural number is greater than the other by 5. The sum of their squa...

    Text Solution

    |

  13. The divisor and quotient of the number 6123 are same and the remainder...

    Text Solution

    |

  14. There is a rectangular onion storehouse in the farm of Mr. Ratnakarrao...

    Text Solution

    |

  15. From the same place at 7 a.m. A started walking in the north at the sp...

    Text Solution

    |

  16. The denominator of a fraction exceeds its numerator by 2. If one is ad...

    Text Solution

    |

  17. Solve the following questions. (ii) A train travels 360 km with unif...

    Text Solution

    |

  18. The area of a rectangular playground is 420 sq.m. If its length is inc...

    Text Solution

    |

  19. If the cost of bananas is increased by rupees 10 per dozen, one can ge...

    Text Solution

    |

  20. Anand takes 9 days more than his father to do a certain piece of work....

    Text Solution

    |