Distance covered in 1 revolution = Circumference of wheel
= 2πr
= 2 × π × 40
= 80π cm
Now, we find total distance covered
We know that,
⇒ Distance = 13.33 km
= 13.33 × 1000 m
= 1333.3 m
= 1333.3 × 100 cm
= 1333333.3 cm
Now,
= 5303.02
= 5303 (approx.)
Hence, number of revolutions = 5303