Answers

2015-12-11T21:45:00+05:30
Something that can not be comprehend. any action or mischief that is personal and is concealed

hope it helps
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and yup mark as best by clicking crown below my answer plssss

mehak

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2015-12-11T22:50:51+05:30
It really means something which is unsolved or doesn't have any explanation. Eg:- About Bermuda Triangle. Hope it helps and pls mark as the best answer. :-)
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