Average:
Average = Sum of observations / Number of observations
Average Speed :
Suppose a man covers a certain distance at x kmph and an equal distance at y kmph.
Then, the average speed druing the whole journey is [2xy/(x+y)] kmph.
Question 1
Q1. Average of n numbers is a. The first number is increased by 2, second one is increased by 4,
the third one is increased by 8 and so on. The average of the new numbers is :
