JEE Main 26 June 2022 Shift 2 Solved Paper

Section: Mathematics

Question : 6 of 90

Marks: +1, -0

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 :

[26-Jun-2022-Shift-2]

2:5
19:45
3:8
19:15

Validate

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