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14.Probability
easy
From a pack of playing cards three cards are drawn simultaneously. The probability that these are one king, one queen and one jack is
A
$\frac{{64}}{{5525}}$
B
$\frac{{16}}{{5525}}$
C
$\frac{{128}}{{5525}}$
D
$\frac{{64}}{{625}}$
Solution
(b) Required probability $ = \frac{{{}^4{C_1} \times {}^4{C_1} \times {}^4{C_1}}}{{{}^{52}{C_3}}}$
Standard 11
Mathematics