# The number of rounds that a wheel of diameter 7/11 metre will make in traversing 4 km

The number of rounds that a wheel of diameter 7/11 metre will make in traversing 4 km will be

(a) 500

(b) 1000

(c) 1700

(d) 2000

**Answer: (d) 2000**

**Solution:-**

The diameter of a wheel = 7/11

Therefore, the radius of the wheel = 7/2 x 11

= 7/22 m

Distance covered by wheel in a round = circumference of the wheel = 2 x pai x r

Then, distance covered by wheel in a round = 2 x 22 x 7/7 x 22

= 2 m

So ,the number of rounds in traversing 4 km = 4000/2

= 2000

Hence, the correct answer is option (d) 2000.