Q. 244.0( 4 Votes )

# In how many ways can 5 letters be posted in 4 letter boxes?

Answer :

Each letter has 4 possible letter boxes option.

So the number of ways in which 5 letters can be posted in 4 letter boxes =4 × 4 × 4 × 4 × 4=45 (Each 4 for each letter.)

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