A) 25 km/hr
B) 28 km/hr
C) 35 km/hr
D) \[24\frac{3}{7}\]km/hr
Correct Answer: C
Solution :
[c] Let actual speed = x \[\therefore \] \[\frac{5}{7}x\times \frac{6048}{3600}=42\] \[x=\frac{42\times 7\times 3600}{5\times 6048}\] x = 35 km/hYou need to login to perform this action.
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