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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. 3:2
- C. 3:2
- D. 3:2
Answer: Option B
Explanation:
(8:54 - 8:30) = 24
Robi's cars = 24/3 = 8
Sashi's cars = 24/4 = 6
Ratio = 8:6 = 4:3
Robi's cars = 24/3 = 8
Sashi's cars = 24/4 = 6
Ratio = 8:6 = 4:3
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