Question

how many numbers greater than 24000 can be formed by using the digits 1,2,3,4,5 when no digit is repeated​

Answer 1

Answer:

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Step-by-step explanation:

The digits are 1, 2, 3, 4, 5. We have to form number greater than 24000. Required number will be = (Total) - (Those beginning with 1) - (Those beginning with 21) - (Those beginning with 23)

⟹5!−4!−3!−3!=120−24−6−6

Hence the numbers greater than 24,000 that can be formed here = 84