The following graph shows the runs scored by three batsmen X, Y and Z in the given years.
In 2021, what was the average of total runs scored by the given three batsmen?
The total runs scored by the three batsmen in the year 2021 would be 525+795+1170 = 2490
Giving the average of the runs scored to be $$\frac{2490}{3}=830$$
Therefore, Option C is the correct answer.