Question

In how many different ways can the letter of the word universal can be arranged when u always comes on 1st place and l on the last place

Answer 1

For this , 1st and last place of the word is fixed
Therefore ,
the places left are 7 and the letters remained are also 7
If the letters are not repeated then the no. of ways is 7!
= 7×6×5×4×3×2×1 = 5040