Question

the diameter of a bicycle wheel is 77 cm find how many times the wheel will revolve in order to cover a distance of 60.50 m​

Answer 1

$radius = \frac{diameter}{2} = \frac{70}{2}$

$= 35cm$

$110m = 110 \times 100 = 11000cm$

$circumference = 2 \: pirn$

$11000 = \frac{2 \times 22}{7 \times 35 \times n}$

$n = \frac{77000} {1540}$

$n = 50$

So a cycle wheel having diameter 70cm will cover 110m or 11000cm of distance in 50 revolutions.