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Rahim takes 20 minutes to inspect a car. Karim needs only 18 minutes to do the same. If they both start inspecting cars at 8 a. m. what would be the first time when they will finish inspecting a car at the same time?

Correct Answer: 11 am
10, 18 L.C.M = 2 × 10 ×9 = 180 180 min = 3 hours So, 8 + 3 = 11a.m

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