SSC CGL – Combined Graduate Level Examination · প্রশ্ন 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?
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (A) 23
ব্যাখ্যা
42n + 138 = 46(n + 1) gives 4n = 92, n = 23.