NSO Level 1 Science Olympiad (SOF) Class 10: Questions 1 of 986
MCQ▾
Question
In making 1000 revolutions, a wheel covers 44 km. The diameter of the wheel is ________.
Choices
Choice (4)  Response  

a.  18 m 

b.  15 m 

c.  12 m 

d.  14 m 

Answer
d.
Explanation

The total distance travelled is 44 km

No. of revolutions

Now, Distance travelled in 1 revolution
 Distance travelled in 1000 revolutions

Thus, radius of wheel and

Diameter of wheel
 Therefore, the diameter of wheel is 14 m.