UPSC 2015 CDS II Math Paper
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Question : 31 of 100
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Two trains, one is of 121 m in length at the speed of 40 km/hour and the other is of 99 m in length at the speed of 32 km/hour are running in opposite directions. In how much time will they be completely clear from each other from the moment they meet ?
[2015 CDS-II]
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