In how many different ways can the letters of the word 'DETAIL' be arranged in such a way that the vowels occupy only the odd positions?

In how many different ways can the letters of the word 'DETAIL' be arr

1.	In how many different ways can the letters of the word 'DETAIL' be arranged in such a way that the vowels occupy only the odd positions?
A.	32
B.	48
C.	36
D.	60
E.	120
Answer» D. 60