A person travels from P to Q at a speed of 50 km/h for 30 minutes. He then increases his speed to 60 km/h and reaches his destination R in 20 minutes.
What is his average speed for the whole journey?
In this question, statement is given followed by three conclusions. Choose the conclusion(s) which best fit(s) logically.
Statement: F โค H < J โฅ V > E
Conclusions:
I. H < V
II. J > E
III. F < E