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. The average monthly salary of all the employees in an industry is Rs 12000. The average salary
of male employees is Rs 15000 and that of female employees is Rs 8000, what is the ratio of male employees to female employees.
