Multiple Choice Questions on How many kilograms of rice of Rs 5 4 per kg should be mixed with 10 kg of rice of Rs 4 5 per kg such........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

How many kilograms of rice of Rs 5 4 per kg should be mixed with 10 kg of rice of Rs 4 5 per kg such...........

Quant (SSC) Mixture and Alligation
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    How many kilograms of rice of Rs.5.4 per kg should be mixed with 10 kg of rice of Rs.4.5 per kg, such that there may be gain of 20% by selling the mixture at Rs.5.94 per kg.

    10 kg

    Correct Answer

    12 kg

    Incorrect Answer

    15 kg

    Incorrect Answer

    8 kg

    Incorrect Answer
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    Explanation:
    Let the quantity of  Rs.5.4 per kg rice = x kg
    According to the question,
    x × 5.4 + 4.5 × 10 = 5.94 × (10 + x) ÷ 120 × 100
    5.4x + 45 = 4.95 × (10 + x)
    5.4x + 45 = 49.5 + 4.95x
    5.4x – 4.95x = 49.5 – 45
    0.45x = 4.5
    x = 10 kg

    By: Amit Kumar
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