DOSE

1. [5] [15] [5] [15]
2. [5] [10] [5] [30]
3. [5] [30] [5] [30]
4. [5] [0] [5] [15]
5. None of these

We know that

D	O	S	E
Consonant	Vowel	Consonant	Vowel

Code for DOSE will be same as the codes for PAGE and NONE, i.e., [5] [25] [5] [25].