KSP Constable · Permutations & Combinations · Quiz
5 real KSP Constable questions on Permutations & Combinations. Instant scoring and solutions, no signup — see where you stand in ~3 minutes.
Question 1 of 5
HARDHow many different 4-digit numbers can be formed using the digits 1, 2, 3, 4, 5, 6 without repetition such that the number is even?