A man walking at $3 \text{ km/h}$ sees a train passing by him in the same direction. He could see the train for $4 \text{ minutes}$ up to a distance of $100 \text{ m}$. What was the speed of the train?

Options:

• A: $4 \text{ km/h}$
• B: $4.5 \text{ km/h}$
• C: $5 \text{ km/h}$
• D: $5.5 \text{ km/h}$

Related Practice Questions:

• Which of the following artifacts, extensively found at Burzahom and Gufkral, specifically indicates that the Neolithic inhabitants of Kashmir practiced sewing animal skins for clothing to survive the harsh winters?
• The earliest known evidence of rock art in India, in the form of 'Cupules' (hemispherical cup-shaped depressions carved into rock), belongs to the Lower Paleolithic age and was found at:
• The first human colonization of the fertile Ganga plains, as evidenced by archaeological discoveries at Sarai Nahar Rai and Mahadaha, took place during which period?
• Which prehistoric site located in the Thar Desert of Rajasthan provides a continuous and undisturbed profile of Lower, Middle, and Upper Paleolithic cultures?