Question

if a trains runs at 40 kmph it reaches 11 min late but if the train run 50 kmph it late by 5 mins. what is the original time​

Answer 1

let original time be x

40 kmph. x+11

50kmph. x+5

40(x+5)=50(x+11)

40x+200=50x+550

10x=-350

x=-35

hope it's helpful...