Question : Rameshwar goes on a trip on his motorcycle and rides for 405 kilometres. If he rides for 6 hours at a speed of 45 km/hr, find at what speed he travels for the remaining 3 hours of the journey.
Option 1: 55 km/hr
Option 2: 52 km/hr
Option 3: 45 km/hr
Option 4: 40 km/hr
Correct Answer: 45 km/hr
Solution :
Given: Total distance covered = 405 km
He rides for 6 hours at a speed of 45 km/hr.
Distance covered in 6 hours = 6 × 45 = 270 km
Distance left = 405 – 270 = 135 km
So, his speed for the remaining 3 hours of the journey = $\frac{135}{3}$ = 45 km/hr
Hence, the correct answer is 45 km/hr.
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