Shift

In a factory, workers work in three shifts, say shift 1, shift 2 and shift 3 and they get wages in the ratio 3:4:8 depending on the shift 1, 2 and 3 respectively. Number of workers in the shifts are in the ratio 3:2:5 . If the total number of workers working is 1500 and wages per worker in shift 1 is Rs. 300, then the mean wage of a worker is