Study the given pie chart and select the most appropriate option to fill in the blank.
The given pie chart shows the sales of different fruits in a day for a shop.
If the total number of fruits sold by a fruit seller in a day is 1200, then the number of bananas sold is __________.
A motorboat travelling at some speed can cover 24 km upstream and 40 km downstream in 17 hours. At the same speed, it can travel 32 km downstream and 12 km upstream in 10 hours. The speed of the stream is: