After the typist writes 12 letters and addresses 12 envelopes, she inserts the…
PYQ TCS NQT 2024
After the typist writes 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?
- A.
1
- B.
0
- C.
0.5
- D.
0.25
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