Subject

    Bank Exam

    Topic

    Exim Bank Trainee Officer 2016

    In what ratio must a grocer mix two varieties of tea worth Tk. 60 a kg and Tk. 65 a kg so that by selling the mixture at Tk. 20 a kg he may gain 10%?

    ক)
    3:4
    খ)
    3:2
    গ)
    3:5
    ঘ)
    4:5

    Explanation

    Selling Price of tea mixture = Taka .68.20   For 10% profit, cost price of the mixture of tea should be Taka .62.   Using rule of alligation,   Cheaper Value: Taka . 60   Dearer Value: Taka . 65   Mean Value: Taka . 62   Ratio of quantities:   (65 - 62) : (62 - 60) = 3 : 2

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