railway RRB JE (CBT I + CBT II) Mock Test 2024 Quantitative Aptitude Mensuration Solid Figures

The numerical values of the volume and curved surface area of a cone are equal. If 'h' and 'r' represent the height and base radius of the cone, then what is the value of (1/h2) + (1/r2)?

1
9
2
1/3
3
2/9
4
1/9
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