Answers

2014-12-16T19:50:09+05:30
72 hours=3 days
therefore ratio=3/3=1:1
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2014-12-16T19:57:17+05:30
72 hours = 3 days 

therefore ratio between 3 days and 72 hours is nothing but the ratio betweeen
3 days and 3 days

so 3:3
     1:1
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