Use app×
Join Bloom Tuition
One on One Online Tuition
JEE MAIN 2025 Foundation Course
NEET 2025 Foundation Course
CLASS 12 FOUNDATION COURSE
CLASS 10 FOUNDATION COURSE
CLASS 9 FOUNDATION COURSE
CLASS 8 FOUNDATION COURSE
0 votes
547 views
in Distance, Time and Speed by (49.2k points)
closed by

Train A leaves Ludhiana for Delhi at 11 am running at a speed of 60 km/hr. Train B leaves Ludhiana for Delhi by the same route at 2 pm on the same day running at a speed of 72 km/hr. At what time will the two trains meet each other? 

(a) 5 am on the next day 

(b) 2 am on the next day 

(c) 5 pm on the next day 

(d) 2 pm on the next day

1 Answer

+1 vote
by (46.2k points)
selected by
 
Best answer

(a) 5 am on the next day

Distance covered by train A before train B leaves 

Ludhiana = 60 × 3 = 180 km 

Relative speed = (72 – 60) km/hr = 12 km/hr 

∴ Time taken to cross each other = \(\frac{180}{12}\) hrs = 15 hrs

∴ Required time = 2 pm + 15 hrs = 5 am on the next day.

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

...