DSSSB TGT · Section A — Arithmetical and Numerical Ability
Trains, boats and relative speed.
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Q1 · Time, Speed and Distance · EASY
A train 150 metres long is running at a speed of 54 km/hr. How much time will it take to cross a platform 250 metres long?
Q2 · Time, Speed and Distance · EASY
A boat can travel 30 km downstream in 2 hours and the same distance upstream in 3 hours. What is the speed of the boat in still water?
Q3 · Time, Speed and Distance · MEDIUM
Two trains of lengths 120 metres and 180 metres are running in opposite directions at speeds of 45 km/hr and 63 km/hr respectively. In how much time will they cross each other?
Q4 · Time, Speed and Distance · MEDIUM
A man rows a boat 24 km upstream in 6 hours and returns downstream in 4 hours. What is the speed of the current?
Q5 · Time, Speed and Distance · HARD
Two trains start from stations A and B towards each other at speeds of 50 km/hr and 60 km/hr respectively. When they meet, the second train has travelled 120 km more than the first. What is the distance between stations A and B?