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Question

Write all 3 digit numbers taking each digit only once.

1,3,5


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Solution

The given digits =1,3,5

we can make many numbers by following the instructions given below:

Fix any digit in the ones place and make a different number

repeat the above instruction until all numbers have been put in the ones place

Keeping 1 in ones place we get=531,351

Keeping 3 in ones place we get=513,153

Keeping 5 in ones place we get=315,135

Thus,

All Three digits numbers obtained =531,351,513,153,315,135.


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