SOLUTION: how many numbers of 9 digits each can be formed if the digit 1 is to be used twice, the digit 7 to be used 4 times, and the 9 to be used 3 times
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Question 730648: how many numbers of 9 digits each can be formed if the digit 1 is to be used twice, the digit 7 to be used 4 times, and the 9 to be used 3 times Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! how many numbers of 9 digits each can be formed if the digit 1 is to be used twice, the digit 7 to be used 4 times, and the 9 to be used 3 times
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Ans: 2*4*3 = 24 numbers
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Cheers,
Stan H.
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