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    Question

    A, B and C together earn Rs. 2700 in 18 days. A and C

    together earn Rs. 940 in 10 days. B and C together earn Rs 1520 in 20 days. Find the daily earning of C:
    A Rs. 20 Correct Answer Incorrect Answer
    B Rs 40 Correct Answer Incorrect Answer
    C Rs. 10 Correct Answer Incorrect Answer
    D None of these Correct Answer Incorrect Answer
    E Rs. 25 Correct Answer Incorrect Answer

    Solution

    (A + B + C) × 18 = 2700 Rs. Wages of (A + B + C) for 1day = 150 Rs. (A+C) × 10 = 940 RS Wages of (A + C) for 1 day = 94 Rs (B+C) x 20 = 1520 Wages of (B + C) for 1 day = 76 Wage of (A + C + B + C) for 1 day = 94 + 76 = 170 Per day Wages of C = 170 – 150 = 20 Rs.

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