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  • INTERVIEW QUESTIONS GENERAL LOGICAL & APTITUDE DETAILS
    Question :
    50Three types of tea the a,b,c costs Rs. 95/kg,100/kg and70/kg respectively.
    How many kgs of each should be blended to produce 100 kg of mixture worth Rs.90/kg,
    given that the quntities of band c are equal
    a)70,15,15
    b)50,25,25
    c)60,20,20
    d)40,30,30

    Category Logical & Aptitude Interview Questions
    Rating (0.4) By 1130 users
    Added on 9/2/2009
    Views 1629
    Rate it!
    Answers:

    Ans. (b)



    as b and c are mixed equally so-->

    a(Kg)+b(Kg)+c(Kg)=100 Kg

    but b and c are equally mixed so-->

    (a+2b)Kg = 100 Kg --> Equation 1


    Now

    total amount of 100 Kg tea with 90 Rs/Kg will be --> 100*90=9000 Rs

    So this implies

    95(Rs)*a(Kg) + 100(Rs)*b(Kg) + 70(Rs)*b(Kg) = 9000 Rs --> Equation 2


    So from equation 1 and 2 it implies that

    b = 25 Kg, so c also is 25 Kg

    and a is 50 Kg

    so the answer B --> 50,25,25




    Posted by: sandeep singh    

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