Find the average of first 5 consecutive even numbers starting from 2 to 10, where the last even number is 10.
Find the average of first 5 consecutive even numbers starting from 2 to 10, where the last even number is 10.
QuestionFind the average of first 5 consecutive even numbers starting from 2 to 10, where the last even number is 10.
Typemultiple_choice
Option1incorrect
Option6correct
Option2incorrect
Option8incorrect
SolutionThe average of first n consecutive even numbers starting from 2 to X, where the last even number is X, is given by:
= (X+2)/2
Here, X=10
So, the required average = (10+2)/2
= 12/2
=6
quantitative aptitude
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