state gov BPSC Assistant Revenue & Accounts Officer Test Series 2025 Quantitative Aptitude Speed Time and Distance Problem on Trains
Two trains 240 m and 180 m long run at the speed of 200 km/hr and 160 km/hr respectively in opposite direction on parallel tracks. Then time (in second) taken to cross each other is
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5.4
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4
3
5
4
4.2