Let, the speed of boat be b km/hour and speed of current be s km/hour Average speed = 2xy/(x+y) (here, x is speed of downstream and y is speed of upstream) = (2 (b+s)(b-s))/((b+s+b-s)) = (b2-s2)/b = (225-25)/15 = `13 1/3` km/hour
When was Indian Railway Finance Corporation established?
The first thoughts for a railway system in British India were expressed in a Parliamentary Select Committee meeting held ______ in in 1831-32.
Which Indian railway station has become the 1600th station to have a RailWire Wi-Fi zone?
The headquarters of Southern Coast Railway is located in _____________________
When was Dedicated Freight Corridor Corporation of India (DFCCIL) incorporated?
Research Design and Standards Organization (RDSO) is located at:
Which is the Longest train in India?
The feeder route from ________ to Palanpur is part of the doubling works of the existing railway line.
Who built India's first railway line?
East Indian Railway Company was formed in the year
