Home
Class 14
MATHS
If the radius of a sphere is increased b...

If the radius of a sphere is increased by 2m, its surface area is increased by `704 m^2`. What is the radius of the original sphere? use:(`pi`=22/7)
यदि किसी गोले के अर्द्धव्यास को 2 मीटर बढ़ा दिया जाये तो पृष्ठीय क्षेत्रफल 704 `मीटर^2` बढ़ जाता है। आररोभक गोले का अर्द्ध व्यास कितना है?

A

16 m

B

15 m

C

14 m

D

13 m

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • 2011 TIER-II PAPER(23)

    CHAMPION PUBLICATION|Exercise EXERCISE|100 Videos
CHAMPION PUBLICATION-2010 TIER-II PAPER(24)-EXERCISE
  1. If the measure of a diagonal and the area of a rectangle are 25 cm and...

    Text Solution

    |

  2. The number of coins, each of radius 0.75 cm and thickness 0.2 cm, to b...

    Text Solution

    |

  3. If the radius of a sphere is increased by 2m, its surface area is incr...

    Text Solution

    |

  4. A right circular cylinder is circumscribing a hemisphere such that the...

    Text Solution

    |

  5. A man invested 1/3 of his capital at 7%, 1/4 at 8% and the remaining a...

    Text Solution

    |

  6. The compound interest on Rs. 6250 at 12% per annum for 1 year, compoun...

    Text Solution

    |

  7. A sum of money lent at compound interest amounts to Rs. 1460 in 2 year...

    Text Solution

    |

  8. If A travels to his school from his house at the speed of 3 km/hr. the...

    Text Solution

    |

  9. A train travelling with a speed of 60 km/hr catches another train trav...

    Text Solution

    |

  10. A and B together can complete a piece of working 12 days and B and C t...

    Text Solution

    |

  11. 4 men and 6 women together can complete a work in 8 days while 3 men a...

    Text Solution

    |

  12. The average of two numbers A and B is 20, that of B and C is 19 and of...

    Text Solution

    |

  13. The pie chart given below shows the expenditure on various items and s...

    Text Solution

    |

  14. The pie chart given below shows the expenditure on various items and s...

    Text Solution

    |

  15. The pie chart given below shows the expenditure on various items and s...

    Text Solution

    |

  16. The pie chart given below shows the expenditure on various items and s...

    Text Solution

    |

  17. The pie chart given below shows the expenditure on various items and s...

    Text Solution

    |

  18. Study the following table and answer the questions वर्ष 2010 से 2...

    Text Solution

    |

  19. Study the bar diagram and answer these questions. नीचे दिये गया बार ...

    Text Solution

    |

  20. Study the bar diagram and answer these questions. नीचे दिये गया बार ...

    Text Solution

    |