SSC GD Constable 5 Feb 2025 Shift 2 Paper

Relative speed (when moving towards each other) $=$ Speed of train $\mathit{A}+$ Speed of train $\mathit{B}$
Time taken to meet $=$ Distance $∕$ Relative speed
Calculation:
Relative speed $=20+50=70\mathit{k}\mathit{m}∕\mathit{h}\mathit{r}$
Distance covered by Train A from 9:00 A.M. to 10:00 A.M.:
Distance $=$ Speed × Time
Distance $=20\times 1=20\mathit{k}\mathit{m}$
Remaining distance to cover $=$ Total distance - Distance covered by Train A
Remaining distance $=370-20=350\mathit{k}\mathit{m}$
Time taken to cover the remaining distance:
Time $=$ Distance $∕$ Relative speed
Time $=350∕70$
⇒ Time $=5$ hours
Meeting time $=$ Start time of Train B + Time taken to meet
Meeting time = 10:00 A.M. + 5 hours
⇒ Meeting time $=$ 3:00 P.M .