Arithmetic Ability
Permutations and Combinations

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Q.

In how many ways, can zero or more letters be selected form the letters AAAAA?

View Answer

Correct choice: B

Explanation:

Selecting zero'A's= 1 Selecting one 'A's = 1 Selecting two 'A's = 1 Selecting three 'A's = 1 Selecting four 'A's = 1 Selecting five 'A's = 1 => Required number ofways =6
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