A) 10
B) 12
C) 12.5
D) 15
Correct Answer: B
Solution :
We know that. Speed \[=\frac{\text{Distance}}{\text{Time}}=\frac{250}{75}=\frac{10}{3}\text{m/s}\] \[=\frac{10}{3}\times \frac{18}{5}\,\,\text{km/h}\] \[=2\times 6\,\,\text{km/h}\] \[=12\,\,\text{km/h}\]You need to login to perform this action.
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