Answers

2014-12-09T22:03:19+05:30
let the time taken be x hrs
During this period Train A would cover x*120 km
During this period train B would cover x* 140 km
                  Then x*120 + x*140= 780
                                                x=3
They will meet at 6 pm.
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2014-12-10T17:12:41+05:30
At 6 pm they will pass each other
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