Time, Speed & Distance Questions for ADRE Grade III 2027
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Time, Speed & Distance — Quick Overview
Speed-distance problems appear in every aptitude paper. 3-5 questions in ADRE.
Key Formula
Speed = Distance/Time | Average speed = 2S₁S₂/(S₁+S₂) for equal distances
Exam Tip
Convert km/h to m/s by multiplying by 5/18. Convert m/s to km/h by multiplying by 18/5.
Common Trap
Average speed is NOT (S₁+S₂)/2 when distances are equal. Use the harmonic mean formula.