The cost of 50 dozens of bananas is 22,400 and the transport cost per banana is 0.25. The selling price is 710 for a pair of bananas. What is the profit percentage (rounded off up to one decimal place)?
The following bar graph represents the demand and production for 5 companies, V,W,X,Y,Z. On the basis of the bar graph answer the question. If K% of the production for company X equals the demand for company W, then K equals:
A thief is noticed by a policeman from a distance of 200 m. The thief starts running as soon as he is noticed, and the policeman chases him simultaneously. The thief and the policeman run at the speeds of 10 km/h and 11 km/h, respectively. What is the distance (in m) between them after 6 min policeman starts chasing?
P and Q can do a job in 24 days, Q and R can do it in 30 days, while P and R can do it in 40 days. X is four times as efficient as P, Y is half as efficient as Q, and Z is 2.5 times as efficient as R. Determine the number of days required to complete the same job if X, Y and Z work together.