An executive wrote 5 letters to 5 people A, B, C, D and E and - TopicsExpress



          

An executive wrote 5 letters to 5 people A, B, C, D and E and asked his secretary to place them in 5 envelopes also marked A, B, C, D and E. The secretary, however, placed the letters at random into the envelopes such that each envelope received exactly one letter. Then the number of arrangements in which exactly 2 letters are placed in correct envelopes is a. 10 b. 15 c. 30 d. 25 e. 20 Interested in CLs products, to know more check here: bit.ly/1mtyHYR
Posted on: Sun, 01 Jun 2014 04:30:00 +0000

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