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3 letters are to be posted in 5 let...

3 letters are to be posted in 5 letter boxes in a part of the town .IF all letters are not posted in the same letter box . The number of ways of posting is

A

125

B

120

C

15

D

10

Text Solution

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The correct Answer is:
B
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DIPTI PUBLICATION ( AP EAMET)-PERMUTATIONS & COMBINATIONS-EXERCISE 1A (PERMUTATIONS )
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