UPSC 2014 CDS II Math Paper
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Question : 37 of 100
Marks:
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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?
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?
[2014 CDS-II]
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