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A train of length 350 m takes 96 seconds to cross a tunnel of length 450 meters. What is the speed of…

The correct choice is: 30 Distance to cross the tunnel = train + tunnel \(= 350 + 450 = 800\) m. Speed \(= \tfrac{800}{96} = \tfrac{25}{3}\) m/s \(= \tfrac{25}{3} \times…

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A train of length 350 m takes 96 seconds to cross a tunnel of length 450 meters. What is the speed of train in km/hr?

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Correct answer C

The correct choice is: 30

Distance to cross the tunnel = train + tunnel =350+450=800= 350 + 450 = 800 m.

Speed =80096=253= \tfrac{800}{96} = \tfrac{25}{3} m/s =253×185=30= \tfrac{25}{3} \times \tfrac{18}{5} = 30 km/hr.

Hence the answer is 30.

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