যদি (2x + 7y) ∶ (4x - 3y) ∶∶ 8 ∶ 3 হয়, তাহলে x ∶ y এর মান নির্ণয় করুন।

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RRB Group D Previous Year Paper (Held on: 26 Aug 2022 Shift 2)
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  1. 11 ∶ 13
  2. 45 ∶ 26
  3. 20 ∶ 19
  4. 26 ∶ 45

Answer (Detailed Solution Below)

Option 2 : 45 ∶ 26
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গণনা:

আমাদের আছে,

\(\frac{2x+7y}{4x-3y}=\frac{8}{3}\)

⇒ 3(2x + 7y) = 8(4x - 3y)

⇒ 6x + 21y = 32x - 24y

⇒ 21y + 24y = 32x - 6x

⇒ 45y = 26x

⇒ 26x = 45y

⇒ x/y = 45/26

অতএব, x : y হল 45 : 26

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