After the typist wr ites 12 letters and addresses 12 envelopes she inserts the letters randomly into the envelopes 1

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. After the typist wr ites 12 letters and addresses 12 envelopes, she inserts the letters
randomly into the envelopes (1 letter per envelope). What is the probability that exactly 1
letter is inserted in an improper envelope?: Asked In TCS (12 years ago); Unsolved Read Solution (2); Is this Puzzle helpful? (0) (0) Submit Your Solution

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Latest TCS Aptitude Question SOLUTION: . After the typist wr ites 12 letters and addresses 12 envelopes, she inserts the letters randomly into the envelopes (1 letter per envelope). What is the probability that exactly