A) 3
B) 36
C) 66
D) 108
Correct Answer: D
Solution :
By\[^{3}{{C}_{2}}\]way we can select 2 balls from A and By\[^{9}{{C}_{2}}\] ways we can select 2 balls from B Total no. of ways\[^{3}{{C}_{2}}{{\times }^{9}}{{C}_{2}}=108\]
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