Question

the diameter of the wheel of a car is 70 cm. how many revolution will it make to travel 1.65 km.

Answer 1

Given that
the diameter of the wheel of a car = 70 cm

the revolution of the wheel = 1.65 km

the distance covered by the wheel = number of roations × length of the wheel

= 1.65 km × 70 cm

we know that

1 km = 1,00,000 cm

1.65 km = 1,65,000 cm

= 1,65,000 × 70

= 1,15,50,000