general math MCQ #533

If 5 men take an hour to dig a ditch, how long should it take for 12 men to dig a ditch of the same type?

general math MCQ #533

  1. Question 1

    Q1. If 5 men take an hour to dig a ditch, how long should it take for 12 men to dig a ditch of the same type?

    • A) 25 mins
    • B) 30 mins
    • C) 28 mins
    • D) 20 mins

    Answer: 25 mins

    Explanation: Man-hours are constant: 5 × 60 = 12 × t, so t = 25 minutes.