The ratio of the radii of two cylinders is 2 : 3 and the ratio of their…
PYQ UPPSC LT Grade (Assistant Teacher) 2025
The ratio of the radii of two cylinders is 2 : 3 and the ratio of their heights is 5 : 3. What will be the ratio of their curved surfaces ?
- A.
7 : 9
- B.
9 : 10
- C.
10 : 9
- D.
20 : 27
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