Answer : 1 200, 600, 400 Explanation : Answer: A) 200, 600, 400 Explanation: Ratio of efficiencies of P, Q and R = 2 : 3 : 4From the given data,Number of working days of P, Q, R = 5 : 10 : 5Hence, ratio of amount of p, Q, R = 2x5 : 3x10 : 4x5 = 10 : 30 : 20 Amounts of P, Q, R = 200, 600 and 400.

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