general math MCQ #367

What is the diameter of a wheel that makes 113 revolution to go 2km 26 decametre?

general math MCQ #367

  1. Question 1

    Q1. What is the diameter of a wheel that makes 113 revolution to go 2km 26 decametre?

    • A) 4 4/13 m
    • B) 6 4/11m
    • C) 12 4/11m
    • D) 12 8/11m

    Answer: 6 4/11m

    Explanation: Total distance = 2 km 26 decametres = 2260 m; circumference = 2260/113 = 20 m; diameter = 20/π = 20×7/22 = 70/11 = 6 4/11 m.