A car moving on a straight road covers one fourth of the total distance with a constant speed of 90km/hr. With what speed it must cover the remaining distance such that the average speed becomes 120km/he for entire journey?
Answers
Answered by
0
Average = (x+y)/2
(90+y)/2 = 120
90+y = 240
y = 150kmph
Here, the total distance doesn't matter; only the speed matters
(90+y)/2 = 120
90+y = 240
y = 150kmph
Here, the total distance doesn't matter; only the speed matters
Similar questions