If the mean and the variance of \(6,4,a,8,b,12,10,13\), are \(9\) and \(9.25\) respectively, then \(\mathrm{a}+\mathrm{b…
Q1
If the mean and the variance of \(6,4,a,8,b,12,10,13\), are \(9\) and \(9.25\) respectively, then \(\mathrm{a}+\mathrm{b}+\mathrm{ab}\) is equal to :
[JEE Main 2025, 2 Apr (Shift 2)]
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