state gov Kerala PSC Degree (Common Preliminary Examination) Mock Test Series 2025 Quantitative Aptitude Mensuration Solid Figures
If the sum and the difference of the total surface areas of a sphere and a hemisphere are in the ratio 26 ∶ 1, then find the ratio of the sum and difference of the their respective volumes.
1
1129 ∶ 129
2
1229 ∶ 229
3
1329 ∶ 329
4
1429 ∶ 429