Question : If $8 : x :: x : 32$, find the positive value of $x$.

Option 1: 20

Option 2: 16

Option 3: 4

Option 4: 12

Question : If $2 : x :: 4 : 28$, then find the value of $x$.

Option 1: 15

Option 2: 12

Option 3: 13

Option 4: 14

Question : Find the value of X for {15 × 32 ÷ 2 × 5} ÷ X=16

Option 1: 75

Option 2: 76

Option 3: 78

Option 4: 55

Question : If $\frac{J}{4}=\frac{K}{5}=\frac{L}{3}$, what is the value of $(L + J)^2:(J +K)^2:(K +L)^2$?

Option 1: 25 : 16 : 9

Option 2: 64 : 25 : 81

Option 3: 49 : 81 : 62

Option 4: 49 : 81 : 64

Question : If the third proportion to 10 and X is 90 and the third proportion of 12 and Y is 27. Find the value of (X + Y).

Option 1: 56

Option 2: 44

Option 3: 48

Option 4: 50