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shiju

· started a discussion

· 1 Months ago

wrong answer (Question: 104775.0 )

a+b/2x-x=60 and a/2x-x=40

on solving A:B (ratio of their length)=1:2

Question:
A goods train and a passenger train are running on parallel tracks in the same direction. The driver of the goods train observes that the passenger train coming from behind overtakes and crossed his train completely in 60 seconds. Whereas a passenger on the passenger train marks that he crossed the goods train in 40 seconds. If the speed of the trains be in the ratio of 1: 2, find the ratio of their lengths.
Options:
A) 1:2
B) 2:1
C) 3:2
D) 2:3
E) None of these
Solution:


Knowledge Expert

· commented

· 1 Months ago

@shiju

option(b) is the correct answer..

shiju

· commented

· 1 Months ago

2:1

shiju

· commented

· 1 Months ago

sorry 2:1 will be the ans
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