How many numbers greater than 4000 can be formed with these 5 gigits
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How many numbers greater than 4000 can be formed with these 5 gigits

[From: ] [author: ] [Date: 13-10-23] [Hit: ]
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How many numbers greater than 4000 can be formed with the digits 3,5,7,8 and 9 if a digit cannot occur more than once in a number?

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216. 96 4 digit numbers + 120 5 digit numbers

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4 digit numbers greater than 4000 = 4x4x3x2x1 = 96
5 digit numbers greater than 4000 = 5x4x3x2x1 = 120
Total numbers which can be formed using these digits = 120+96 = 216

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96. 4*4*3*2
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