Answers

2015-11-20T15:17:50+05:30
Started at 7:15
reached at 11:45

Journey time = 11.45 - 7.15 = 4 hours 30 minues
rested for 35 minutes
Started at 11:45 + 35 minutes = 12:20 noon
Return journey takes 25 minutes more than the up journey
Return journey time = 4 hours 30 minutes + 25 minutes
                                = 5 hours
She reached home at = 12.20 noon + 5 hours 
                                    =  5 . 20 pm
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