A) \[1\frac{1}{2}\,km\]
B) 2 km
C) \[2\frac{1}{2}\,km\]
D) 5 km
Correct Answer: B
Solution :
[b] Let distance between Pintu's school and his house is x km. According to the question. \[\frac{x}{3}-\frac{5}{60}=\frac{x}{4}+\frac{5}{60}\] \[\Rightarrow \] \[\frac{x}{3}-\frac{x}{4}=\frac{10}{60}\] \[\Rightarrow \] \[x=2\] |
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