The radii of two circles are in the ratio 2: 3. The ratio of their areas is (a) 2:3 (b) 4:9 (c) 3:2 (d) 9:4

The radii of two circles are in the ratio 2:5. What is the ratio of their areas ?

The area of two circles are in the ratio 4:9.The ratio of their circumference is

The areas of two circles are in the ratio 9:4 .The ratio of their circumferences is

The circumferences of two circles are in the ratio 3: 4. The ratio of their areas is (a) 3:4 (b) 4:3 (c)9:16 (d) 16 :9

The areas of two circles are in the ratio 49:36. The ratio of their circumference is (a) 7:6 (b) 6:7(c)3:2 (d) 2:3

The areas of two circles are in the ratio 49 : 36. The ratio of their circumference is (a) 7:6 (b) 6:7 (c) 3:2 (d) 2:3

The circumferences of two circles are in the ratio 3:4. The ratio of their areas is 3:4 (b) 4:39:16(d)16:9

If the heights of two cones are in the ratio of 1:4 and the radii of their bases are in the ratio 4:1, then the ratio of their volumes is (a) 1:2 (b) 2:3 (c) 3:4 (d) 4:1

If the heights of two cones are in the ratio of 1:4 and the radii of their bases are in the ratio 4:1, then the ratio of their volumes is (a) 1:2 (b) 2:3 (c) 3:4 (d) 4:1

The volumes of two cubes are in the ratio 8: 27.The ratio of their surface areas is (a) 2:3quad ( b) 4:9quad (c) 12:9quad (d) None of these