A) \[60\text{ }km/hr\]
B) \[72\text{ }km/hr\]
C) \[78\text{ }km/hr\]
D) \[84\text{ }km/hr\]
Correct Answer: C
Solution :
Speed of second train \[=\frac{364}{4}\]=91 kmph \[\therefore \] \[7x=91\] \[\therefore \] \[6x=\frac{91}{7x}\times 6x\equiv 78\,kmph\]You need to login to perform this action.
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