In how many different ways can the letters of the word BANANA be arranged?
A. 60
B. 120
C. 360
D. 720
E. None of these
Answer: Option A
Solution(By Examveda Team)
The given words contains 6 letters of which A is taken 3 times, N is taken 2 times and the rest are all different.∴ Required number of ways
$$\eqalign{ & = \frac{{6!}}{{3! \times 2!}} \cr & = \frac{{6 \times 5 \times 4 \times 3 \times 2 \times 1}}{{6 \times 2}} \cr & = 60 \cr} $$
Related Questions on Permutation and Combination
A. 3! 4! 8! 4!
B. 3! 8!
C. 4! 4!
D. 8! 4! 4!
A. 7560,60,1680
B. 7890,120,650
C. 7650,200,4444
D. None of these
A. 8 × 9!
B. 8 × 8!
C. 7 × 9!
D. 9 × 8!
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