| Directions: Q. 11 to 15 |
| There is a race competition between all participants of a sports club, so that the sports committee can choose better person for a marathon. The race track in the club is in the form of a ring whose inner most circumference 176 m and the outer most circumference is 352 m. |
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| Based on the above information, answer the following questions. |
A) 48m
B) 49m
C) 50m
D) 56m
Correct Answer: D
Solution :
Let the radius of the outer most circle be R. \[\therefore \,\,\,\,\,\,2\pi R=352\] \[2\times \frac{22}{7}\times R=352\] \[R=\frac{352\times 7}{2\times 22}\] \[R=56\,m\]
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