The ratio of modulus of rigidity to bulk modulus for a Poisson's ratio of 0.15 would be: (A) 1:4 (B) 21: 23 (C) 25:6 (D) 17:6

If Young modulus is three times of modulus of rigidity, then Poisson ratio is equal to

The number of boys and girls in a school are 1168 and 1095 respectively. The ratio of the number of boys to that of girls in the simplest form would be : (A) 16:15 (B) 15:16 (C) 73:4 (D) 4: 73

For a given material, Young's modulus is 2.4 times that of rigidity modulus. Its Poisson's ratio is

A ratio equivalent to 2:3 is (a) 4:3 (b) 2:6 (c) 6:9 (d) 10:9

A ratio equivalent to 2:5 is (a) 6: 15 (b) 4:5 (c) 5:2 (d) 5:4

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 ratio of areas of two squares is 225:256, then the ratio of their perimeters is \ \ \ \ \ (a) 225:256 (b) 256:225 (c) 15:16 (d) 16:15

If the volumes of two cones are in the ratio 1:4 and their diameters are in the ratio 4:5, then the ratio of their heights, is (a) 1:5 (b) 5:4 (c) 5:16 (d) 25:64

If the volumes of two cones are in the ratio 1:4 and their diameters are in the ratio 4:5, then the ratio of their heights, is (a) 1:5 (b) 5:4 (c) 5:16 (d) 25:64

(115)^96-(96)^115 is divisible by (A) 17 (B) 19 (C) 21 (D) 23