- A10 a.m.
- B9:30 a.m.
- C10:30 a.m.
- D11 a.m.
Step-by-Step Solution
Moving towards each other, the gap closes at 45 + 30 = 75 km/h. Time = 150/75 = 2 hours, so they meet at 10 a.m.
Answer: A) 10 a.m.
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