If the External Radius of The Hollow Sphere is 9 cm :

The radii of two solid iron spheres are 1 cm and 6 cm respectively, A hollow sphere is made by melting the two spheres, If the external radius of the hollow sphere is 9 cm, then its thickness (in cm) is

  1. 2
  2. 1
  3. 1.5
  4. 0.5
Anurag Mishra Professor Asked on 25th October 2015 in Maths.
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1 Answer(s)

Answer is (2) 1

Monis Rasool Professor Answered on 28th October 2015.
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