1. A man leaves his home and walks at a speed of 12 km per hour, reaching the railway station 10 minutes after the train had departed. If instead he had walked at a speed of 15 km per hour, he would have reached the station 10 minutes before the train's departure. The distance (in km) from his home to the railway station is
Write Comment
Comments
By: anil on 05 May 2019 02.29 am
We see that the man saves 20 minutes by changing his speed from 12 Km/hr to 15 Km/hr. Let d be the distance Hence, $$frac{d}{12} - frac{d}{15} = frac{1}{3}$$ $$frac{d}{60} = frac{1}{3}$$ d = 20 Km.
Terms And Service:We do not guarantee the accuracy of available data ..We Provide Information On Public Data.. Please consult an expert before using this data for commercial or personal use