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Banking Sample Paper IBPS PO (PT) Sample Test Paper-3

  • question_answer
    In Jar A, 140 litres of milk was mixed with 25 litres of water. Some of this mixture was taken out from Jar A and put into Jar B. When 16 litres of milk was added to Jar B, the resultant ratio of milk to water in Jar B was 21:2. What was the amount of mixture taken out from Jar A? (in litres)

    A)  23.12 litres       

    B)         27 litres

    C)         21.55 litres       

    D)         37.55 litres

    E)  32 litres     

    Correct Answer: C

    Solution :

    Ratio pf milk to water in Jar A = 140: 25 = 28: 5 The quantity of mixture taken out from Jar A = x litres Then, the quantity of milk \[=\frac{28}{33}x\] Quantity of water \[=\frac{5x}{33}\] Now, in Jar B \[=\frac{\frac{28x}{33}+16}{\frac{5x}{33}}=\frac{21}{2}\] \[or,\frac{28x+16\times 33}{5x}=\frac{21}{2}\]  or, 56x + 1056 = l05x or, 49x = 1056 \[\therefore x=\frac{1056}{49}=21.55liters\]


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