Two men start together to walk to a certain destination, one at 3 kmph and another at 3.75 kmph. The latter arrives half an hour before the former. The distance is :
A. 6 km
B. 7.5 km
C. 8 km
D. 9.5 km
Answer: Option B
Solution(By Examveda Team)
Let the distance be x kmThen,
$$\eqalign{ & \Leftrightarrow \frac{x}{3} - \frac{x}{{3.75}} = \frac{1}{2} \cr & \Leftrightarrow 2.5x - 2x = 3.75 \cr & \Leftrightarrow x = \frac{{3.75}}{{0.50}} \cr & \Leftrightarrow x = \frac{{15}}{2} \cr & \Leftrightarrow x = 7.5{\text{ km}} \cr} $$
Related Questions on Speed Time and Distance
A. 48 min.
B. 60 min.
C. 42 min.
D. 62 min.
E. 66 min.
A. 262.4 km
B. 260 km
C. 283.33 km
D. 275 km
E. None of these
A. 4 hours
B. 4 hours 30 min.
C. 4 hours 45 min.
D. 5 hours
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