[СМАТ, 2020]Different ways can the letters of the words EXTRA be arranged vowels are never together?
ฝัง
- เผยแพร่เมื่อ 29 ส.ค. 2024
- In how many different ways, can the letters of the words EXTRA be arranged so that the vowels are never together?
[СМАТ, 2020]
(a) 168
(b) 48
(c) 120
(d) 72