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1 year, 10 months ago
1 year, 10 months ago
Gautam scored 51
Ramesh = 82.5
let average of class expect R and G be k
We have average of 21 students as:
(20k + 82.5)/21 = 62
Solving k=1219.5/20 = 60.975
Average of 22 students is one more than average of 21 students except R, i.e
(20k + 82.5 + G)/22 = (20k + G)/21 + 1
Solving this we get G=51
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