The following table gives the sales of an electronic chip over 5 years. Find the year in which the sales are equal to the average of the sales over the 5 years.
| Year | 2015 | 2016 | 2017 | 2018 | 2019 |
|
Sale (in thousands of rupees) |
45 | 54 | 57 | 60 | 69 |
Answer & explanation
Correct answer: option 3
Average of sales = \(\frac{45+54+57+60+69 }{5}\)
= \(\frac{ 285 }{5}\)
= 57
Sale in year 2017 is 57 which is equals to average sales over all years.
Ans :- 2017