Correct Answer - Option 2 : 22
Given:
In 14th innings Rohit Sharma scores runs = 152
Increment in his average after 14 inning = 10 runs
Formula used:
Average runs = total runs in all the innings / total number of innings
Calculation:
Let the average is = x
⇒ Total runs in the first 13 innings = 13x
Now, average after 14 innings
⇒ (13x + 152)/14 = x + 10
⇒ 13x + 152 = 14x + 140
⇒ x = 12
So, new average in all 14 innings = 12 + 10 = 22
∴ The new average is 22.