📢 Too many exams? Don’t know which one suits you best? Book Your Free Expert 👉 call Now!
  • google app store apple app store
    • ✖

      Question

      Rakesh can complete a work in 'X + 12' days. While

      Shikha can complete the same work in 'X + 27' days. If they can complete the work together in 'X' days, then what is the value of 'X + 27'?
      A 45 Correct Answer Incorrect Answer
      B 52 Correct Answer Incorrect Answer
      C 24 Correct Answer Incorrect Answer
      D 42 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      1/(X + 12) + 1/(X + 27) = 1/X (X + 27 + X + 12)/(X + 12)(X + 27) = 1/XX × (2X + 39) = (X + 12)(X + 27) 2X2 + 39X = X2 + 39X + 324 X2 = 324 X = 18 X + 27 = 18 + 27 = 45

      Practice Next
      More Quant Miscellaneous Questions

      Relevant for Exams:

      ask-question