There are two cones. The curved surface area of one is twice that of the other. The slant height of the latter is twice that of the former. The ratio of their radii is

2:1

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4:1

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2:5

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1:3

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Solution

The correct option is B
4:1

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Q. There are two cones. The curved surface area of one is twice that of the other. The slant height of the latter is twice that of the former. The ratio of their radii is

Q. There are two cones. The curved surface area of one is twice that of the other. The slant height of the latter is twice that of the former. Find the ratio of their radii.

Q. The curved surface area of one cone is twice that of the other while the slant height of the latter is twice that of the former. The ratio of their radii is

(a) 2 : 1

(b) 4 : 1

(c) 8 : 1

(d) 1 : 1

The curved surface area of one cone is twice that of the other while the slant height of the latter is twice that of the former.The ratio of their radii is

Choose the correct answer in each of the following :

The curved surface area of one cone is twice that of the other while the slant height of the latter is twice that of the former. The ratio of their radii is

(a) 2:1 (b) 4:1 (c) 8:1 (d) 1:1

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There are two cones. The curved surface area of one is twice that of the other. The slant height of the latter is twice that of the former. The ratio of their radii is

The correct option is B 4:1

The correct option is B
4:1