1.

In How Many Ways Can 5 Letters Be Posted In 4 Letter Boxes?

Answer»

FIRST letter can be posted in 4 letter boxes in 4 WAYS.

SIMILARLY second letter can be posted in 4 letter boxes in 4 ways and so on.

Hence all the 5 letters can be posted in = 4 X 4 x 4 x 4 x 4 = 1024.

First letter can be posted in 4 letter boxes in 4 ways.

Similarly second letter can be posted in 4 letter boxes in 4 ways and so on.

Hence all the 5 letters can be posted in = 4 x 4 x 4 x 4 x 4 = 1024.



Discussion

No Comment Found

Related InterviewSolutions