- A1 p.m.
- B2 p.m.
- C1:24 p.m.
- D1:36 p.m.
Step-by-Step Solution
The Mumbai train reaches Vapi at 11 a.m. and waits till noon. By noon the other train has run km, so the gap is km, closed at 100 km/h in 1.6 h = 1 h 36 min → 1:36 p.m. (1 p.m. ignores the halt.)
Answer: D) 1:36 p.m.