Question
Download Solution PDFTwo trains P and Q start from stations S and T towards each other. Train P takes 4 hours 48 minutes and train Q takes 3 hours 20 minutes to reach T and S, respectively, after they meet. If the speed of train P is 45 km/h, what is the speed of train Q?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
After meeting, trains P and Q complete their journey in 4 hours 48 minutes and 3 hours 20 minutes respectively
Speed of train P = 45 km/hr
Formula used:
After meeting each other, the time required by the trains to reach the destination
Where, S1 and S2 are the speeds of trains, and T1 and T2 are the times taken by trains to reach the destination after meeting
Calculation:
4 hours 48 minutes = 24/5 hours
3 hours 20 minutes = 10/3 hours
According to the question,
⇒
⇒
⇒ S2 = (45 × 6)/5 = 54
∴ The speed of Q is 54 km/hr.
Last updated on Jul 17, 2025
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