1.

Three numbers are chosen at random without replacement from the set \[A=\{x|1\le x\le 10,x\in N\}\]. The prodigality that the minimum of the chosen numbers is 3 and maximum is 7, is

A. \[\frac{1}{12}\]
B. \[\frac{1}{15}\]
C. \[\frac{1}{40}\]
D. None of these
Answer» D. None of these


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