DSSSB · Mathematics
If the ratio of the radii of the bases of two cylinders is 3 : 5 and the ratio of their heights is 4 : 7, then the ratio of their curved surface areas is:
- 12 : 35
- 10 : 33
- 11 : 32
- 13 : 35
If the ratio of the radii of the bases of two cylinders is 3 : 5 and the ratio of their heights is 4 : 7, then the ratio of their curved surface areas is:
- 12 : 35
- 10 : 33
- 11 : 32
- 13 : 35
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