A girl goes to school at a speed of 4km/hr and returns to the village at a speed of 3km/hr. If she takes 7 hours in all, what is the distance between the village and the school?
A. 20
B. 25
C. 12
D. 18
Answer: Option C
Solution(By Examveda Team)
Let the required distance be x km. Then,x/4 + x/3 = 7
(3x + 4x)/12 = 7
x = 12
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