A train running at speed of 120 kmph crosses a signal in 15 seconds .What is the length of the train in meters?
Speed of train = 120 kmph
= $$(120 \times \frac{5}{18})$$ m/s = $$\frac{100}{3}$$ m/s
Let length of the train = $$l$$ meters
Using, speed = distance/time
=> $$\frac{100}{3} = \frac{l}{15}$$
=> $$l=\frac{100}{3} \times 15$$
=> $$l=100 \times 5=500$$ meters
=> Ans - (C)
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