Question : Aman drove from home to a town at the speed of 60 km/hr and on his return journey, he drove at the speed of 30 km/hr and also took an hour longer to reach home. What distance did he cover each way?
Option 1: 75 km
Option 2: 55 km
Option 3: 60 km
Option 4: 80 km
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Correct Answer: 60 km
Solution : Let the distance between home to town be $d$ km. Time from home to town = $T$ hours Time from town to home = $(T+1)$ hours We know that, Speed = $\frac{\text{Distance}}{\text{time}}$ Since, both the distances are the same. $\therefore 60\times T=30 \times(T+1)$ ⇒ $60T=30T+30$ ⇒ $T=1$ Distance from home to town = $60\times1=60$ km hence, the correct answer is 60 km.
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