Question
Download Solution PDFS1 and S2 are two stations which are 195 km apart. A train starts from S1 at 4:00 pm and moves towards S2 at the speed of 65 km/h. Another train starts from S2 at 5:00 pm and moves towards S1 at the speed of 35 km/h. At what time will the two trains meet?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
S1 and S2 are two stations that are 195 km apart.
A train starts from S1 at 4:00 pm and moves towards S2 at the speed of 65 km/h.
Another train starts from S2 at 5:00 pm and moves towards S1 at the speed of 35 km/h.
Concept used:
Distance = speed × time
Calculation:
From 4 pm to 5 pm is 1 hour.
In that 1 hour train S1 moves 65 km towards S2
Remaining distance of 195 - 65 = 130 km
Relative speed is 65 + 35 = 100 km/hr
The time will be 130/100 = 1.3 hr after 5 pm
The time will be 5 pm + 1 hr 18 minutes = 6 pm 18 minutes
∴ The correct option is 4
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