Question : A earns in March twice as much as in each of the other months. What is the ratio of his earnings in March to the annual earnings?

Option 1: 2 : 13

Option 2: 3 : 8

Option 3: 4 : 9

Option 4: 2 : 7

Question : If the heights of two cylinders are in the ratio of 7 : 9 and their diameters are in the ratio of 6 : 7, then what is the ratio of the volumes of the cylinders?

Option 1: 6 : 7

Option 2: 7 : 9

Option 3: 5 : 9

Option 4: 4 : 7

Question : On a partnership basis, A and B invested in a ratio of 5 : 6. At the end of 8 months A withdrew his capital. If they shared the eventual profit in the ratio of 5 : 9, then what is the number of months for which B invested his capital?

Option 1: 6 months

Option 2: 10 months

Option 3: 12 months

Option 4: 11 months

Question : If the surface area of two spheres is in the ratio 81 : 25, then what is the ratio of their radius?

Option 1: 5 : 8

Option 2: 7 : 9

Option 3: 5 : 7

Option 4: 9 : 5

Question : If the ratio of the volumes of two cylinders is 7 : 5 and the ratio of their heights is 5 : 7, then what is the ratio of their radii?

Option 1: 5 : 7

Option 2: 3 : 4

Option 3: 5 : 9

Option 4: 4 : 5

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

Option 1: 3 : 2

Option 2: 9 : 4

Option 3: 2 : 3

Option 4: 4 : 9