A) 484
B) 485
C) 468
D) 469
Correct Answer: B
Solution :
Total number of ways \[{{\,}^{4}}{{C}_{0.}}.{{\,}^{3}}{{C}_{3}}.{{\,}^{3}}{{C}_{3.}}.{{\,}^{4}}{{C}_{0.}}.+\,{{\,}^{4}}{{C}_{1}}{{.}^{3}}{{C}_{2}}{{.}^{3}}{{C}_{2}}.{{\,}^{4}}{{C}_{1.}}\] \[+{{\,}^{4}}{{C}_{2.}}.{{\,}^{3}}{{C}_{1}}.{{\,}^{3}}{{C}_{1.}}.{{\,}^{4}}{{C}_{2.}}.+\,{{\,}^{4}}{{C}_{3}}{{.}^{3}}{{C}_{0}}{{.}^{3}}{{C}_{0}}.{{\,}^{4}}{{C}_{3}}\] \[=485\]You need to login to perform this action.
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