If the mass ratio of helium and methane is 1:8 then the molar ratio of two gases will be
(a) 1:8
(b) 1:4
(c) 1:1
(d) 1:2

If the ratio of volumes of two spheres is 1:8, then the ratio of their surface area is 1:2 (b) 1:4 (c) 1:8 (d) 1:16

If the ratio of volumes of two cones is 2 : 3 and the ratio of the radii of their bases is 1 : 2, then the ratio of their heights will be (a) 3 : 4 (b) 4 : 3 (c) 3 : 8 (d) 8 : 3

If the ratio of the volumes of two spheres is 1 : 8 then the ratio of their surface areas is

If the ratio of volumes of two spheres is 1 : 8, then the ratio of their surface areas is

If the ratio of the volumes of two spheres is 1 : 8, then find the ratio of their radii.

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 height of a cone be doubled and radius of base remains the same,then the ratio of the volume of the given cone to that of the second cone will be (a) 1:2quad (b) 2:1quad (c) 1:8quad (d) 8:1

If the ratio of the areas of two square is 9:1, then the ratio of their perimeters is 2:1(b)3:13:2(d)4:1

If the volumes of two cubes are in the ratio 27 : 1, the ratio of their edges is (a) 1 : 3 (b) 1 : 27 (c) 3 : 1 (d) 27 : 1