📢 Too many exams? Don’t know which one suits you best? Book Your Free Expert 👉 call Now!

  • google app store apple app store

    • Question

      Due to walking at (3/4) of his normal speed, a boy reaches

      school 18 minutes late. What is the time he normally takes to go to school?
      A 12 mins Correct Answer Incorrect Answer
      B 54 mins Correct Answer Incorrect Answer
      C 45 mins Correct Answer Incorrect Answer
      D 32 mins Correct Answer Incorrect Answer

      Solution

      ATQ,

      When distance is constant,

      Time ∝ (1/Speed)

      So, time ratio = 3:4

      Let usual time = 3t and new time = 4t

      4t – 3t = 18

      t = 18

      Usual time = 3t = 3 × 18 = 54 minutes

      Practice Next
      ask-question