Question
Download Solution PDFTrains A and B started from X and Y respectively at the same time towards each other. They crossed each other after 4 hours. A travels the distance XY in 10 hours. Find the time taken by B to travel XY.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFFormula:
Let t be the time taken by A and B to cross each other
Let t1 and t2 be the times taken by A and B respectively to reach their destinations after crossing each other
Then, t2 = t1 × t2
Calculation:
Here, t = 4 hours
t1 = 10 hours
Time taken by train A after meeting =10 - 4 = 6 hours
⇒ 42 = 6 × t2
⇒ 16 = 6 × t2
⇒ t2 = 2.67
∴ Total time taken by B to travel XY = 4 + 2.7 = 6.67 hours
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