Apt Speed Distance — Free Aptitude Tutorial
Learn Apt Speed Distance in Aptitude with a free, beginner-friendly tutorial, examples and practice for Indian students on Syllab.in.
TL;DR: Learn Apt Speed Distance in Aptitude with a free, beginner-friendly tutorial, examples and practice for Indian students on Syllab.in.
Written & reviewed by the Syllab.in Academic Team (CBSE/NCERT subject experts) · Updated
Apt Speed Distance in Aptitude
Speed = Distance / Time. Distance = Speed × Time. Time = Distance / Speed.
Average Speed (different distances): Total distance / Total time. NOT average of speeds.
Average Speed (same distances at speeds u and v) = 2uv/(u+v).
Relative Speed: When two bodies move in the SAME direction: relative speed = |s1 - s2|. In OPPOSITE directions: relative speed = s1 + s2.
Trains: Time to cross a pole/point = Length of train / Speed. Time to cross platform = (Length of train + Length of platform) / Speed.
Convert km/h to m/s: multiply by 5/18. Convert m/s to km/h: multiply by 18/5.
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