Math, asked by BishalDas, 1 year ago

Two trains are moving in the same direction at 84.5 kmph and 48.5 kmph.The faster train crosses a man sitting in slower train in 15 seconds. The length of the faster train is ?

Answers

Answered by abhi178
3
let length of faster train = L
length of slower train =M
now,

time = length /speed

time = L/relative velocity
15/3600 =L/(84.5-48.5)

1/240 = L/(36)

L =36/240 =9/60=3/20
=150m
length of fasted train =150 m

BishalDas: Many many thanks....
abhi178: :-) my pleasure
Answered by Rohit99887
1
Let first train be x
Speed of x=84.5km/h change in SI unit

Rohit99887: sry glti ho gyi type krne me
abhi178: no problem again type
Similar questions
Math, 8 months ago