Category: Average

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Average

Average Aptitude Questions with Solutions:- Set 1

Average Aptitude Questions with Solutions: Set 01Question No. 01: The average age of 30 boys of a class is equal to 14 years. When the age of the class teacher is included the average becomes 15 years. Find the age of the class teacher. (A) 30 years (B) 35 years...

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Average / Mathematics

Average Maths formulaes and shortcut methods

Important Average Formulaes: 1. Average or Arithmetic mean of n quantities =Sum of n quantities/n    Here, n = Number of quantities.2. Average of n consecutive natural numbers = (n + 1)/2{Total of n consecutive natural number = n (n + 1)/2For e.g. mathematically, 1 + 2 + 3 +…………. + 20...