Question : What is the ratio of the mean proportional between 1.6 and 3.6 and the third proportional of 5 and 8?

Option 1: 2 : 15

Option 2: 5 : 16

Option 3: 3 : 16

Option 4: 4 : 15

Question : The ratio of the third proportional to 16 & 40 and the mean proportional between 10 & 40 is:

Option 1: 5 : 1

Option 2: 1 : 5

Option 3: 4 : 1

Option 4: 1 : 4

Question : Find 2 numbers such that their mean proportional is 25 and their third proportional is 25.

Option 1: 5 and 5

Option 2: 5 and 25

Option 3: 25 and 125

Option 4: 25 and 25

Question : Find the third proportional to 16 and 20.

Option 1: 25

Option 2: 23

Option 3: 24

Option 4: 26

Question : The third proportional to 4 and 6 is:

Option 1: 9

Option 2: 16

Option 3: 6

Option 4: 36