Total balls = 12. Probability = $\frac{7}{12} \times \frac{6}{11} = \frac{42}{132} = \frac{7}{22}$.
कुल गेंदें = 12। प्रायिकता = $\frac{7}{12} \times \frac{6}{11} = \frac{42}{132} = \frac{7}{22}$।