Vvswift25921 Vvswift25921

11-03-2024
Mathematics

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Let S be the set of 6-digit numbers a1a2a3a4a5a6 (all digits distinct) where a1 > a2 > a3 > a4 < a5 < a6. Then n(S) is equal to:a) 720/3
b) 720/6
c) 720/2
d) 720/4

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