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Home Questions & Answers Aptitude Mental Ability Question Answers If 7 boys and 2 men working together can do three times as much work per hour as a boy and a man together, what will be the respective ratio of work done by a boy and a man for the given time

    If 7 boys and 2 men working together can do three times as much work per hour as a boy and a man together, what will be the respective ratio of work done by a boy and a man for the given time

  • 3:1
  • 1:2
  • 1:3
  • 1:4
  • 3:4
  • Explanation:

    According to question 

    7B+2M=3(M+B)

    ⇒ 7B+2M=3M+3B

    ⇒ 4B=M

    ⇒ B/M =1/4

    ⇒ B:M=1:4