There are 4 different letters and 4 addressed envelops. In how many ways can…
PYQ TCS NQT 2026
There are 4 different letters and 4 addressed envelops. In how many ways can the letters be put in the envelops so that at least one letter goes to the correct address?
- A.
11
- B.
12
- C.
15
- D.
16
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