A Afridi New member Joined Aug 14, 2019 Messages 2 Aug 14, 2019 #1 This was asked in a past paper, where the answer given is 720. However, when I approach the question as outlined below I get 10800. Where am I going wrong? _X_T_N_S_N_ So there are 6P4/2! ways in arranging the vowels and then the consonants can be arranged 5!/2. Multiplying the two gives 10800.