Question : The mean proportional of 0.04 and 0.36 is:

Option 1: 0.144

Option 2: 1.2

Option 3: 12

Option 4: 0.12

Question : Two equal glasses filled with alcohol and water in the proportions 2 : 1 and 3 : 2 are emptied into a third glass. The proportion of alcohol and water in the third glass will be:

Option 1: 13 : 17

Option 2: 19 : 17

Option 3: 13 : 11

Option 4: 19 : 11

Question : Find the mean proportion of $x^3y$ and $xy^3$.

Option 1: $x^2y^2$

Option 2: $x^3y^3$

Option 3: $xy$

Option 4: $x^4 y^4$

Question : The mean proportion of 0.03 and 0.27 is:

Option 1: 0.09

Option 2: 0.06

Option 3: 0.03

Option 4: 0.15

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