Question : If $(7 x+y):(7 x–y)=7: 2$, then what is the value of $x: y$?

Option 1: 9 : 35

Option 2: 11 : 42

Option 3: 6 : 41

Option 4: 17 : 52

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 (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 (x + y) : (y + z) : (z + x) = 3 : 5 : 7 and (x + y + z) = 45, then what is the value of z?

Option 1: 18

Option 2: 30

Option 3: 27

Option 4: 20

Question : A certain amount of money is divided among x, y, and z. If x receives 25% more than y and y receives 25% less than z, then x : y : z is equal to:

Option 1: 14 : 12 : 13

Option 2: 15 : 12 : 16

Option 3: 10 : 9 : 12

Option 4: 12 : 10 : 11