how many numbers can be formed between 4000 and 5000 with digits 2, 3, 4, 5, 6 such that no digit repeats in a number?
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Step-by-step explanation:
Numbers between 4000 an 5000 would start with 4 and will have 4 digits. Then the remaining 3 digits will be formed from remaining 5 digit 2,3,5,6,7 in 5P3 ways (no repeatitions
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