Two satellites orbiting around the earth have their critical speeds in the ratio 4:5 What is the ratio of their orbital radii?
A) 5/4
B) 4/5
C) 25/16
D) 12/5

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

A satellite is revolving around the earth. Ratio of its orbital speed and escape speed will be.

Divide 108 in two parts in the ratio 4: 5.

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

The ratio of the circumference of two circles is 4:5. Find the ratio of their radii.

The ratio of the radii of two circles is 2: 5. What is the ratio of their circumference?

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

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

Two satellites are in the parking orbits around the earth. Mass of one is 5 times that of the other. The ratio of their periods of revolution is