Question : Find two numbers such that their mean proportion is 16 and the third proportion is 1024.

Option 1: 4 and 32

Option 2: 4 and 64

Option 3: 8 and 64

Option 4: 8 and 32

Question : The fourth proportional to 6, 8, and 12 is:

Option 1: 15

Option 2: 12

Option 3: 18

Option 4: 16

Question : Directions: Some equations are solved on the same basis, find out the correct answer for the unsolved equation.
If 2 × 16 = 8, 8 × 8 = 1, 6 × 12 = 2, then 12 × 144 = ?

Option 1: 11

Option 2: 12

Option 3: 16

Option 4: 24

Question : The mean proportion of 6 and 54 is:

Option 1: 6

Option 2: 9

Option 3: 12

Option 4: 18

Question : If the sum of a number and its reciprocal is 4, find the sum of their squares.

Option 1: 12

Option 2: 16

Option 3: 14

Option 4: 18