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In what time will they be clear of each other from the moment they meet ?

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Two trains 132 metres and 108 metres in length are running towards each other on parallel lines , one at the rate of 32 km per hour and another at 40 km per hour .
In what time will they be clear of each other from the moment they meet ?

posted Jun 19, 2015 by Samardeep Acharya

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