Subject

    Bank Exam

    Topic

    উত্তরা ব্যাংক (প্রবেশনারি অফিসার) - ০৯.১১.২০২৪

    Two tea worth Tk. 126 per kg and Tk. 135 per kg are mixed with a third variety in the ratio 1 : 1 : 2. If the mixture is worth Tk. 153 per kg, then the price of third variety per kg will be:

    ক)
    Tk. 169.5
    খ)
    Tk. 170
    গ)
    Tk. 175.50
    ঘ)
    Tk. 180

    Explanation

    Let the price of third variety per kg be x Tk. Given that, (126 × 1) + (135 × 1) + (x × 2) = 153 × (1 + 1 + 2) ⇒ 126 + 135 + 2x = 153 × 4 ⇒ 261 + 2x = 612 ⇒ 2x = 612 - 261 ⇒ 2x = 351 ⇒ x = 175.5 Tk.

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