16. A bicycle wheel makes 5000 revolutions in moving 11 km. The diamet – InterviewSolution

1.	16. A bicycle wheel makes 5000 revolutions in moving 11 km. The diameter of the wheel (in cm) is(c) 65(a) 35(b) 55(d) 70
Answer» 5000 revolutions=11000 m1 revolution=11000/5000 mcircumference=11/5 m2πr=11/5πd=11/522/7×d=11/5d=11×7/(5×22)d=11×7/110d=7/10 md=0.7 md=0.7×100 cmd=70 cm

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