1.

The diameter of each wheel of a car is 70 cm. If each wheel rotates 400 times per minute, then the speed of the car (in km/hr) is (Take π = 22/7) :

A. 52.8 km/hr
B. 582.5 km/hr
C. 52.25 km/hr
D. 525.5 km/hr
E. None of these
Answer» B. 582.5 km/hr


Discussion

No Comment Found

Related MCQs