Answer / ravi

passenger train cross after 4 hrs of starting

but freight train already leaves station before 2 hrs of
passenger train

so the passenger train and freight train speed ratio

passenger train travel hrs : freight train travel hrs = 4:6

passenger train speed in hrs 16km/hr;

then freight train speed = x;

then

4/6 = x/16

then x = 10.66

the freight train speed in hrs = 10.66 km/hr

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