दिया गया है कि (2x + 3y)/(5x - 2y) = 5/7 है, तो x/y का मान ज्ञात कीजिये।

  1. 31/11
  2. 13/19
  3. 19/31
  4. 21/11

Answer (Detailed Solution Below)

Option 1 : 31/11
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दिया हुआ

(2x + 3y)/(5x - 2y) = 5/7

गणना

(2x + 3y)/(5x - 2y) = 5/7

⇒ 7(2x + 3y) = 5(5x - 2y)

⇒ 14x + 21y = 25x - 10y

⇒ 31y = 11x

⇒ x/y = 31/11.

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