Home › TS EAMCET › Mathematics › Permutations and Combinations › In how many ways can the letters of BANANA be ar…
In how many ways can the letters of BANANA be arranged?
A720
B120
C30
D60
Answer & Solution
Correct answer: D. 60
With 3 A's and 2 N's repeated, 6!/(3! 2!) = 720/12 = 60.
Related questions
Al-Khalil's cryptography book listed words using which idea?A permutation of a finite set is what kind of function on that set?A k-combination of a set S is best described as what?Cauchy's 1815 memoir on substitutions of n elements led to which notion?Which Chinese text used permutation-like hexagrams as early as 1000 BC?How many elements does the symmetric group on 4 objects contain?A multiset permutation uses each element how many times?A permutation that swaps exactly two elements and fixes all others is called what?