Multiple Choice Questions on How many kg of custard powder costing Rs 42 per kg must be mixed with 16 kg of custard powder costin........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

How many kg of custard powder costing Rs 42 per kg must be mixed with 16 kg of custard powder costin...........

Quantitative Aptitude ( CCS) Mixture and Alligation
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    How many kg of custard powder costing Rs. 42 per kg must be mixed with 16 kg of custard powder costing Rs. 60 per kg so that 20 % may be gained by selling the mixture at Rs. 60 per kg?

    11 kg

    Incorrect Answer

    14 kg

    Incorrect Answer

    12 kg

    Incorrect Answer

    20 kg

    Correct Answer
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    Explanation:

    SP = 60. Gain= 20%.

    CP = (100/120) x 60.

    CP = 50.
    Ratio between the 2 varieties of custard powder = 60 – 50 : 50 –42 = 10 : 8.

    if x is the required quantity then 10 : 8 = x : 16 ⇒ x =20 kg.

    Hence, option 4 is the correct answer.

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