For two weak acids A and B, the ratio of their percent ionization is 4 : 9. The ratio of their Ka would be–

The ratio of radii of two cones is 2 : 3 and the ratio of their heights is 9 : 4. Then, the ratio of their volumes is ……… .

The ratio of the escape speed from two planets is 3 : 4 and the ratio of their masses is 9 : 16. What is the ratio of their radii ?

The ratio of the escape speed from two planets is 3 : 4 and the ratio of their masses is 9 : 16. What is the ratio of their radii ?

The ratio of areas of two similar triangles is 4:9. Then, the ratio of their sides is:

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

If the ratio of the sides of two similar triangles be 4:9 , then ratio of areas will be

If the ratio of areas of two circles is 4:9, then the ratio of their circumference will be :