Comprehension Passage
Read the following information carefully and answer these questions.
A, B, C, D and E are five brothers. A is twice as old as B. C is half as old as B. A's age is half that of E. C is twice as old as D.
If B's age is 16 years, then what is D's age?
1
4 years
2
8 years
3
32 years
4
64 years