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Mechanic drives a certain distance to collect spare parts on a vehicle that runs at speed of 30 kmph in 30 minutes. He repairs the vehicle and then delivers the bike at a certain location and travels at 50 kmph for 30 minutes. Calculate total distance covered1. 40 km2. 20 km3. 30 km4. 25 km |
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Answer» Correct Answer - Option 1 : 40 km Given: Unrepaired vehicle = 30 kmph, 30 minutes Repaired vehicle = 50 kmph, 30 minutes Formula used: Speed = Distance / time Calculations: Calculating distance in segments Segment 1: D1 = 30 × 0.5 ⇒ D1 = 15 km Segment 2: D2 = 50 × 0.5 ⇒ D2 = 25 km ⇒ Total distance covered = 25 + 15 ∴ total distance is 40 km |
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