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23-02-2020
Mathematics

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without repetition, how many for 4 digits numbers you can form with 1,2,3,4,5,6,7 which are divisible by 5

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Icescream Icescream

23-02-2020

It can only end with 5 so,
The answer is 6x5x4x3x2x1x1
The answer is 720

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