Question

How many of four digits can be formed from numbers 1 2 3 4 . Find the sum of all such numbers?

Answer 1

HEY ........❤

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1234
1324
1243
1342
1423
1432

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FROM 1 SIX NO. CAN BE FORMED.......

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SO FROM 1,2,3,4

6*4=24.....

SO 24 NO. CAN BE FORMED......

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