Time And Distance
Everything on SkillVeris tagged Time And Distance — collected across the glossary, study notes, blog, and cheat sheets.
5 resources across 1 library
Interview Questions(5)
How to Solve Circular Track Race Problems
On a circular track of length L, two runners moving at speeds a and b first meet at L/(a−b) if moving in the same direction, or L/(a+b) if moving in opposite d…
How to Solve Linear Races and Head Start Problems
In a linear race, "A gives B a head start of x meters" means B starts x meters ahead, while "A gives B a start of t seconds" means B starts running t seconds e…
How to Solve Average Speed for Two-Part Journeys
Average speed for a journey is always total distance divided by total time, never the simple average of the two speeds; when equal distances are covered at spe…
How to Solve Escalator Speed Problems
Escalator problems are relative-speed problems where the escalator itself contributes a constant speed e (in steps or distance per unit time) that adds to a pe…
How to Solve Man vs Train Crossing Problems
When a train crosses a person walking or running, the train covers its own length L relative to that person at their relative speed, so time = L / (relative sp…