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How many 4 digit number are …

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How many 4 digit number are there with no digit reapeted
  • 4 answers

Kumar Rahul 7 years, 10 months ago

9×9×8×7 is right ans

Jaya Verma 7 years, 10 months ago

For thousand's place we have 10 choices For hundred 's place we have 9choices For ten's place we have 8choices For unit's place we have 7 choices => No. of 4 digit no. = 10×9×8×7 = 5040

Jaya Verma 7 years, 10 months ago

For unit's place we have 10 choices , For ten's place we have 9 choices , For hundred's place we have 8 choi

Rizwan Choudhary 7 years, 10 months ago

4×4×4×4=256
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