Time, Speed & Distance

Trains, boats & streams, relative speed.

What's covered

This topic carries 20 questions in our bank, drawn from the SSC CGL syllabus and previous-year papers. Every question has a worked-out explanation.

Q1 • SSC CGL 2023

As part of his journey, a person travels 120 km at 80 km/h, the next 100 km at 40 km/h, and comes back to the starting point at 75 km/h. The average speed of the person throughout the journey (approximately) is:
Q2 • SSC CGL 2023

A train 900 m long is running at 108 km/h. How long will it take to clear a 900 m long platform completely?
Q3 • SSC CGL 2023

Two runners, Sony and Mony, start running on a circular track of length 200 m at speeds of 18 and 24 km/h, respectively, in the same direction. After how much time from the start will they meet again at the starting point?

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