A) \[{{7}^{3}}\]
B) \[{{3}^{7}}\]
C) \[^{7}{{C}_{3}}\]
D) None of these
Correct Answer: B
Solution :
\[{{1}^{st}}\] man can vote in 3 ways. \[{{2}^{nd}}\] man can vote in 3 ways. Similarly all other men can vote in 3 ways individually, hence the total number of ways \[3\times 3\times 3\times \] \[3\times 3\times 3\times 3={{3}^{7}}\] ways.
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