Open In App

We use cookies to ensure you have the best browsing experience on our website. By using our site, you acknowledge that you have read and understood our Cookie Policy & Privacy Policy

QA – Placement Quizzes | Trains, Boats and Streams | Question 15

Two trains are running in the same direction on two parallel tracks at 40 m/sec and 60 m/sec. How much time will it take to cross the slower train by faster train if the length of slower train in 50 meter and that of faster train is 20 meter?  (Assume initially faster train was far behind the slower train).
(A) 5 sec
(B) 10 sec
(C) 4 sec
(D) 3.5 sec

Answer: (D)
Explanation: Sol: relative speed = 60 – 40 = 20 m/sec

relative length  = 70 meters

time = D/V = 70/20 = 3.5 sec
Quiz of this Question
Please comment below if you find anything wrong in the above post

Article Tags :
QA – Placement Quizzes
Recommended Articles
1. QA - Placement Quizzes | Trains, Boats and Streams | Question 1
2. QA - Placement Quizzes | Trains, Boats and Streams | Question 2
3. QA - Placement Quizzes | Trains, Boats and Streams | Question 3
4. QA - Placement Quizzes | Trains, Boats and Streams | Question 4
5. QA - Placement Quizzes | Trains, Boats and Streams | Question 5
6. QA - Placement Quizzes | Trains, Boats and Streams | Question 6
7. QA - Placement Quizzes | Trains, Boats and Streams | Question 7
8. QA - Placement Quizzes | Trains, Boats and Streams | Question 8
9. QA - Placement Quizzes | Trains, Boats and Streams | Question 9
10. QA - Placement Quizzes | Trains, Boats and Streams | Question 10
11. QA - Placement Quizzes | Trains, Boats and Streams | Question 11
12. QA - Placement Quizzes | Trains, Boats and Streams | Question 12
13. QA - Placement Quizzes | Trains, Boats and Streams | Question 13
14. QA - Placement Quizzes | Trains, Boats and Streams | Question 14
15. QA - Placement Quizzes | Numbers, LCM and HCF | Question 1
16. QA - Placement Quizzes | Numbers, LCM and HCF | Question 2
17. QA - Placement Quizzes | Numbers, LCM and HCF | Question 3
18. QA - Placement Quizzes | Numbers, LCM and HCF | Question 4
19. QA - Placement Quizzes | Numbers, LCM and HCF | Question 5
20. QA - Placement Quizzes | Numbers, LCM and HCF | Question 6
21. QA - Placement Quizzes | Numbers, LCM and HCF | Question 7
22. QA - Placement Quizzes | Numbers, LCM and HCF | Question 8
23. QA - Placement Quizzes | Numbers, LCM and HCF | Question 9
24. QA - Placement Quizzes | Numbers, LCM and HCF | Question 10
25. QA - Placement Quizzes | Numbers, LCM and HCF | Question 11