Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Mensuration Plane Figures
An annular road is about to build on the circular park. The outer radius of the circular park √65 m and the inner radius of the circular park is 4 m. If the speed of the construction is 4.4 m2 per hour. Find the time taken by the construction company to complete the task.
1
45 hours
2
55 hours
3
35 hours
4
More than one of the above
5
None of the above