SSC CGL – Combined Graduate Level Examination · Question 57
A cricketer's average score over a series of matches is 42. If she scores 138 runs in the next match, her average increases to 46. How many matches did she play before this?
Show answer & explanation
Answer: (A) 23
Explanation
42n + 138 = 46(n + 1) gives 4n = 92, n = 23.