Surface Area and Volume of A Sphere : Ex - 21.2 (R.D.Sharma)

9 Comments

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  Gagan

  January 5, 2018 at 12:35 pm Reply

  Very helpful and very easy to understand

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  Gagan

  January 5, 2018 at 12:34 pm Reply

  Very helpfull and very easy to learn

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  Rishita

  November 29, 2017 at 12:05 pm Reply

  Wowwwwwww

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  chichi

  January 31, 2017 at 5:54 pm Reply

  either put volume of moon as v1 or just do cross multiplication n u ll get 64 as answer.
  don't use incorrect methods to get answer

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  chichi

  January 31, 2017 at 5:50 pm Reply

  y didn't u dronstudy ppl do cross multiplication??????????????????????????????????????????????/
  that IS ACCEPTABLE IN MATHS UNLIKE CANCELLING SAME NUMERATORS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

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  chichi

  January 31, 2017 at 5:47 pm Reply

  ppl for q 32 u cant cancel numerators like how u did with pie!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1

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  Tanisha

  December 19, 2016 at 2:10 pm Reply

  Thanks

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  Diptimayee Pradhan

  March 1, 2015 at 10:39 pm Reply

  very nice

  • 

    Dronstudy

    September 29, 2015 at 9:11 pm Reply

    thanks