Two trains 105 metres and 90 metres long, run at the speeds of 45km/hr and 72km/hr respectively, in opposite directions on parallel tracks. The time which they take to cross each other, is
590,000
625,000
6% off
1,499
2,499
40% off
590,000
625,000
6% off
3,999
5,499
27% off
590,000
0.0
5.0
5.0
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