Selection Post Phase XIV (10th)24 Sep 2026Shift 3Time, Speed and Distance

A runner completes one round of a 400 m track in 80 seconds. What is his speed in m/s?

एक धावक 400 m ट्रैक का एक चक्कर 80 सेकंड में पूरा करता है। उसकी चाल m/s में क्या है?

Answer और ExplanationAnswer and explanation

Answer: (B) 5 m/s

एक चक्कर = 400 m, समय = 80 सेकंड
चाल (Speed) = 40080 = 5 m/s
✓
धावक की चाल 5 m/s है।
One round = 400 m, time = 80 s
Speed = 40080 = 5 m/s
✓
His speed is 5 m/s.

Source: Selection Post Phase XIV (10th) · 24 Sep 2026 · Shift 3। Solution: Prashant Sir, Vijayastra।Source: Selection Post Phase XIV (10th) · 24 Sep 2026 · Shift 3. Solution by Prashant Sir, from Vijayastra.