Q. यदि (2a + 3b) : (3a - 2b) = 19 : 9 हो, तो a : b = ?

Question ID: 35661
  1. [A] 4 : 7
  2. [B] 5 : 3
  3. [C] 2 : 5
  4. [D] 3 : 5


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