The average runs of a crickt player of 10 innings was 32 .How many runs must he make in his next innings to increase his average of runs by 4?
সমাধান
সঠিক উত্তর: Option A
10 ইনিংসে মোট রান=32 ×10=320
11 " " " =(32 +4) ×11
=36×11
=396
অতএব রানের গড় =396 -320 =76
11 " " " =(32 +4) ×11
=36×11
=396
অতএব রানের গড় =396 -320 =76
