The areas of two circular fields are in the ratio 16:49. If the radius of the latter is 14 cm, then what is the radius of the former? |
|||||||
(a) |
4 m |
(b) |
8 m |
(c) |
18 m |
(d) |
32 m |
The areas of two circular fields are in the ratio 16:49. If the radius of the latter is 14 cm, then what is the radius of the former? |
|||||||
(a) |
4 m |
(b) |
8 m |
(c) |
18 m |
(d) |
32 m |
The ratio of the radii of the two circles is 3:2. What is the ratio of their circumference? |
|||||||
(a) |
2:3 |
(b) |
3:2 |
(c) |
4:9 |
(d) |
None of these |
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