๐Ÿ“ข Too many exams? Donโ€™t know which one suits you best? Book Your Free Expert ๐Ÿ‘‰ call Now!

  • google app store apple app store
  • โœ–

      Question

      Four boys and nine girls can

      complete a task in 24 days. Three boys and five girls can finish the same task in 36 days. How many days will it take for six boys and six girls to complete the same task?
      A 18 days Correct Answer Incorrect Answer
      B 21 days Correct Answer Incorrect Answer
      C 25 days Correct Answer Incorrect Answer
      D 32 days Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      ATQ, Let no of boys be 'b' and no of girls be 'g' (4b+9g)24 = (3b+5g)36 (4b+9g)2 = (3b+5g)3 8b+18g = 9b+15g b = 3g 21g ร— 24 = 24g ร— number of days taken Number of days taken = 21 days

      Practice Next

      Relevant for Exams:

      ask-question