1 . Robi takes 3 minutes to inspect a car , and Sashi takes 4 minutes to inspect a car . If they both start inspecting different cars at 8:30 AM, what would be the ratio of the number of cars inspected by Robi and Sashi by 8:54 AM of the same day ?

• A. 3:2
• B. 4:3
• C. 2:6
• D. 8:12
• D. None of them

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Answer: Option B

Explanation: