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JEE MAIN 2022
26-06-22 S2
Question
Consider a cuboid of sides 2x, 4x and 5x and a closed hemisphere of radius r. If the sum of their surface areas is a constant k, then the ratio x : r, for which the sum of their volumes is maximum, is :
Select the correct option:
A
2 : 5
B
19:45
C
3 : 8
D
19 : 15
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
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Question Tags
JEE Main
Mathematics
Hard
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