Question : If (7x + y) : (7x – y) = 7 : 3, then what is the value of x : y?

Option 1: 4 : 3

Option 2: 5 : 14

Option 3: 15 : 6

Option 4: 6 : 15

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 X : Y = 2 : 3 and Y : Z = 6 : 7, then what is the value of (X + Z) : Y?

Option 1: 17 : 14

Option 2: 17 : 15

Option 3: 11 : 6

Option 4: 11 : 8

Question : If x : y : z = 2 : 3 : 4, then what is the value of 7x : 3y : 2z?

Option 1: $14:9:8$

Option 2: $18:7:12$

Option 3: $12:6:11$

Option 4: $16:9:8$

Question : If $3: x:: 12: 20$, then what is the value of $x$?

Option 1: 10

Option 2: 6

Option 3: 8

Option 4: 5