Question
A car travels 120 km at a speed of 40 km/h and returns
at a speed of 60 km/h. Find the average speed of the car for the whole journey.Solution
Average speed = (2 * speed1 * speed2) / (speed1 + speed2). Substituting the given values, Average speed = (2 * 40 * 60) / (40 + 60) = 48 km/h. Correct answer: a) 48 km/h
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Founded in 1950, one of the industrial units owned by Indian Railways is named after the Indian freedom fighter:
The first electric train ran in India with the inauguration of services between Bombay VT and Kurla Harbour on 3 February:
National Academy of Indian Railways is situated at:
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What is the name of the initiative to improve safety in Indian Railways?
The average annual growth rate of capital for Indian Railways was ______ between 1860 and 1939.
What is the purpose of Rail Green Points (RGP) introduced by Indian Railways?
