Question

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 covered
1. 40 km
2. 20 km
3. 30 km
4. 25 km

Answer 1

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