Question

A motorcycle wheel makes 150 revolution when moving a distance of 396 m. Find the diameter of the wheel. (22/7)

Answer 1

Answer: Let the radius of the wheel be r cm.

Distance covered by the wheel in one revolution =  

5000

11

​

 km = 220 cm

2πr=220

2×  

7

22

​

×r=220

r=35 cm

Diameter = 2r=70 cm

Answer 2

I don't know this question sorry.