A. 13.33
B. 26.67
C. 38.32
D. 40
A train of length 150 m takes 40.5 seconds to cross a tunnel of length of 300 m. The speed of the train (in km/hr) is
A train of length 150 m takes 40.5 seconds to cross a tunnel of length of 300 m. The speed of the train (in km/hr) is
A. 13.33
B. 26.67
C. 38.32
D. 40
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40
D
13.33
total distance pased by train is 150m
because, = tunnel length-train length
=300-150
=150m
d=0.15km t=0.01125
a=d/t
=13.33
26.667
D. 40
40
40 kmph
speed=distance/time=(300+150)/40.5=11.1111m/s=(11.111*(18/5))=40km/hrs
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