Math, asked by anuraghu212000, 9 months ago

average Runs scored (runs scored per match) of a batsman is n. had he not played the last match in which he was out for a duck or if he plays another match and scores 56runs,his average would increase by 1.whatvis his current average runs and how many matches he has played so far? ​

Answers

Answered by amitnrw
0

Current average = 27 , Matches he has played = 28

Step-by-step explanation:

average Runs scored (runs scored per match) of a batsman is n

Let say he played m Matches

Total score = mn

had he not played the last match in which he was out for a duck

then His average  = mn/(m-1)  = n + 1

=> mn =  (m-1)(n+1)

=> mn = mn +m - n - 1

=> m = n + 1

if he plays another match and scores 56runs

=> mn + 56  = (n+1)(m+1)

=> mn + 56 = mn + m + n + 1

=> m = 56 - n - 1

n + 1 = 56 - n - 1

=> 2n = 54

=> n = 27

m = 28

Current average = 27

Matches he has played = 28

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