A password consists of two letters of alphabet followed by three d | Filo
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Class 11

Math

Algebra

Permutations and Combinations

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A password consists of two letters of alphabet followed by three digits chosen from to .Repeats are allowed. How many different possible passwords are allowed

Correct Answer: Option(c)
Solution: Password : lettered 
First two are alphabets
last three letters are nmbers 
letters are there 
digits are there 
Therefore number of possible passwords 
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