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Statistics
JEE Main 2025 (Online) 2nd April Evening Shift
MCQ+4 / -12025
If the mean and the variance of $6,4, a, 8, b, 12,10,13$ are 9 and 9.25 respectively, then $a+b+a b$ is equal to :
Jee Main
JEE Main 2025 (Online) 2nd April Evening Shift