Concept and Tricks With Quiz on Average for SBI PO 2015

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Averages: An average or more accurately an arithmetic mean is, in crude terms, the sum of n different data divided by n.  Averages of a group is defined as the ratio of sum of all the items in the group to the number of items in the group. Average = (Sum of all items in the group)/ Number of items in the group Now, sum of all items can be ‘the sum of number of quantities like apple, people