Aptitude Overflow
+2 votes
196 views

Two trains A and B start simultaneously in the opposite direction from two points A and B and arrive at their destination 9 and 4 hrs respectively after their meeting each other. At what rate does the second train B travel if the fist travel at 80 kmph.

 

asked in Quantitative Aptitude by (26 points) 2 5 | 196 views

1 Answer

0 votes
Speed of A/Speed of B= square root(time of B/time of A)

80/x=square root(4/9)

80/x=2/3

x=120km/h
answered by (86 points) 1 1 5
+1

@Learner_jai can you give brief overview how can i derive that relation

Related questions

2,824 questions
1,246 answers
487 comments
40,504 users