- AThursday, 8 September
- BSunday, 5 September
- CThursday, 9 September
- DWednesday, 8 September
Step-by-Step Solution
3 weeks and 4 days = 25 days. 15 + 25 = 40, and August has 31 days, so it is 9 September. The weeks keep the Sunday; 4 more days give Thursday. (Sunday, 5 September adds 3 weeks only.)
Answer: C) Thursday, 9 September