How many words can be formed by re-arranging the letters of the word ASCENT such that A and T occupy the first and last position respectively?
A. 6! × 2!
B. 6! – 2!
C. 4!
D. 5!
Answer: Option C
Solution(By Examveda Team)
As A and T should occupy the first and last position, the first and last position can be filled in only one following way. A _ _ _ _ T. The remaining 4 positions can be filled in 4! Ways by the remaining words (S, C, E, N, T). Hence by rearranging the letters of the word ASCENT we can form, 1 x 4! = 4! Words.Related Questions on Permutation and Combination
A. 3! 4! 8! 4!
B. 3! 8!
C. 4! 4!
D. 8! 4! 4!
A. 7560,60,1680
B. 7890,120,650
C. 7650,200,4444
D. None of these
A. 8 × 9!
B. 8 × 8!
C. 7 × 9!
D. 9 × 8!
Join The Discussion