Consider the following statements in respect of four spheres A, B, C and D having respective radii 6, 8, 10 and 12 cm:

1.The surface area of sphere C is equal to the sum of surface areas of spheres A and B.

2.The volume of sphere D is equal to the sum of volumes of spheres A, B and C.

Which of the above statements is/are correct?

Mathematics 2014 CDS Elementary Mathematics 2014 CDS 2014

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