Question : If A is the mean proportion of 24 and 6. B is the mean proportion of 81 and 9. Find the value of 3A + B.

Option 1: 33

Option 2: 32

Option 3: 63

Option 4: 55

Question : If the third proportion of 3 and $x$ is 27 and the third proportion of 2 and $y$ is 8, then find $x : y$.

Option 1: 7 : 9

Option 2: 4 : 5

Option 3: 3 : 7

Option 4: 9 : 4

Question : Directions: Which of the following numbers will replace the question mark (?) in the given series?
64, 32, 96, 48, 144, 72, 216, ?

Option 1: 108

Option 2: 104

Option 3: 112

Option 4: 114

Question : Find the third proportion of two numbers 6 and 24.

Option 1: 94

Option 2: 84

Option 3: 96

Option 4: 86

Question : Find the fourth proportion to the numbers 49, 51, and 98.

Option 1: 96

Option 2: 102

Option 3: 112

Option 4: 90