Question

A bicycle wheel makes 5000 revolutions in moving 11 km. The diameter of the wheel in cm) is
(a) 35
(b) 55
(c) 65
di 70​

Answer 1

the answer is a) 35

I hope this answer is helpful to you

Answer 2

Answer:

70cm

Step-by-step explanation:

5000 revolutions=11000 m

1 revolution=11000/5000 m

circumference=11/5 m

2πr=11/5

πd=11/5

22/7×d=11/5

d=11×7/(5×22)

d=11×7/110

d=7/10 m

d=0.7 m

d=0.7×100 cm

d=70 cm