Study the data given below and answer the following questions. The pie charts shown below shows the distance covered by a boat moving upstream and downstream indifferent days of a week. And the table shows the speed of stream in km/hr. in different days of a week.
If the speed of boat in still water on Saturday was 27 km/hr and the speed of boat in still water on Wednesday was $$66\dfrac{2}{3}\%$$ more than that of Saturday and time taken to travel upstream on Wednesday is $$16\dfrac{1}{3}$$ times than time taken by it to travel downstream on Saturday, then find the speed of stream (in kmph) on Saturday?
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