Answers

2016-03-20T11:36:51+05:30
3 ,9,6,9, x-4
for mode to be 9 , 9 shuid be present maximum time
so , x-4 =9
          x =13
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2016-03-20T17:22:54+05:30
Mode is a data present in the collection the largest no of times.
since 9 is the mode,
x-4=9
so,x=13
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