Diana is three times older than Jackson; Edward is half the age of Stephen. Jackson is older than Edward.


Which one of the following can be inferred?

• Jackson is older than Stephen
• Diana is older than Stephen
• Diana may be younger than Stephen
• None of the above

Which one of the following information will be sufficient to estimate Diana’s age?

•  Edward is 10 year old
• Both Jackson and Stephen are older than Edward by the same number of years
• Both A and B above
• None of the above