The number of ways in which the letters of the word ARTICLE can be arranged so that even places are always occupied by consonants is
A. 576
B. 4C3 × 4!
C. 2 × 4!
D. none of these.
Answer:A
The number of ways in which the letters of the word ARTICLE can be arranged so that even places are always occupied by consonants is
A. 576 B. 4C3 × 4! C. 2 × 4! D. none of these.