JAMB - Mathematics (2025 - No. 10)
Find the number of permutations of the letters of the word SCHOOL.
600
360
480
300
解释
Letters: S, C, H, O, O, L (6 letters, O repeated 2 times).
Permutations = \(\frac{6!}{2!}\) = \(\frac{720}{2}\) = 360.
Letters: S, C, H, O, O, L (6 letters, O repeated 2 times).
Permutations = \(\frac{6!}{2!}\) = \(\frac{720}{2}\) = 360.