Question
If average of first 11 numbers is (n β 23) and the sum
of remaining number is 925. Find the value of βnβ, if the average of 25 numbers is βnβ.ΒSolution
According to the question, => 25n = 11 ΓΒ (n β 23) + 925 => 25n - 11n = 925 β 253 => n = 48
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