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Mathematics
In how many ways 6 letters be posted in 5 different letter boxes?
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Q. In how many ways 6 letters be posted in 5 different letter boxes?
VITEEE
VITEEE 2011
A
$5^6$
B
$6^5$
C
$5!$
D
$6!$
Solution:
Since, each letter can be posted in any one of the five different letter boxes. So, a letter can be posted in 5 ways. Since, there are six letters and each can be posted in 5 ways. So, total number of ways
$= 5 × 5 × 5 × 5 × 5 × 5 = 5^6$