state gov UP Police SI (दरोगा) Mock Test Series 2025 Quantitative Aptitude Permutation and Combination
What is the number of arrangements of 10 letters the can be formed the letter word of ANNELIDOUS, so that all the vowels are not come together?
1
(10!/2!) - {(6!/2!) × 5!}
2
10! - (6! × 4!)
3
10! - 6!
4
7! - (6! × 5!)