If x : 2y = 4 : 9 and 2 : x = 3 : 4, then what is the value of y?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. 3.
2 : x = 3 : 4
⇒ x = 8/3
x : 2y = 4 : 9
⇒ 9x = 8y
Put the value of x
⇒ 9 × (8/3) = 8y
⇒ y = 3