Permutations and Combinations Part 2

Section: Mathematics

Question : 7 of 110

Marks: +1, -0

Let S denote the set of 4-digit numbers abcd such that a>b>c>d and P denote the set of 5 -digit numbers having product of its digits equal to 20 . Then n(S)+n(P) is equal to ____

[23 jan 2026 Shift 2]

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