यदि 1/4 km और 1/3 km लम्बी दो ट्रेन क्रमशः20 km/h और 30 km/h चाल से एक दूसरे के विपरीत दिशा में चल रही तो एक दूसरे को पार करने में लगा समय बताओ? - Study24x7
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Rohit Nagar
26 Feb 2019 10:03 AM study24x7 study24x7

  यदि 1/4 km और 1/3 km लम्बी दो ट्रेन क्रमशः20 km/h और 30 km/h चाल से एक दूसरे के विपरीत दिशा में चल रही तो एक दूसरे को पार करन...

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A

42 sec

B

78 sec

C

67 sec

D

47 sec

SSC Railways IIT Entrance
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