It is 8.00 p.m., when can Hemant get next bus for Ramnagar from Dhanpur?
Statements:
1. Buses for Ramnagar leave after every 30 minutes, till 10 p.m.
2. Fifteen minutes ago, one bus has left for Ramnagar.
Answer: D
2 reveals that the previous bus had left at 7.45 p.m. As given in 1, the next bus would leave after 30 minutes i.e. at 8.15 p.m.