UPSC NDA I 2012 Mathematics Paper
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Question : 10 of 120
Marks:
+1,
-0
What is the mode for the data 20 , 20 , 20 , 21 , 21 , 21 2121 , 22 , 22 , 22 , 22 , 22 , 22 , 22 , 23 , 23 , 23 , 23 , 23 , 24 24 , 25 ?
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