A, B and C completed a piece of work costing Rs.1800. A worked for 6 days, B for 4 days and C for 9 days. If their daily wages are in the ratio 5 : 6 : 4, how much amount will be received by A?  Choose the correct choice from the following
A) Rs.800	B) Rs. 600	C) Rs.900	D) Rs.750	E) Rs.850
Explanation:   The new ratio = wages ratio × No. of days   A = 5 × 6 = 30   B = 6 × 4 = 24   C = 4 × 9 = 36   Therefore, the ratio of the amount received = 30 : 24 : 36 = 5 : 4 :6   Total ratio = 15   1 unit of ratio = 1800/15 = Rs. 120   Therefore, amount received by A = 5 units = 5 × 120 = Rs.600.   Answer: Option Rs. 600
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A, B and C completed a piece of work costing Rs.1800. A worked for 6 days, B for 4 days and C for 9 days. If their daily wages are in the ratio 5 : 6 : 4, how much amount will be received by A?