- ABoth statements together are needed (neither alone is sufficient)
- BEither statement alone is sufficient
- CStatement II alone is sufficient but Statement I alone is not
- DStatement I alone is sufficient but Statement II alone is not
Step-by-Step Solution
I gives the code for CAT directly. II only tells how vowels change and says nothing about the consonants C and T, so it cannot code CAT.
Answer: D) Statement I alone is sufficient but Statement II alone is not