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  • Question
  • A sum of money is sufficient to pay A's wages for 21 days and B's wages for 28 days. The same money is sufficient to pay the wages of both for?


  • Options
  • A. 241/2 days
  • B. 12 days
  • C. 121/4 days
  • D. 14 days

  • Correct Answer
  • 12 days 

    Explanation

    A's 1 day's work = 1/21
    B's day's work = 1/28
    ? Same money is sufficient to pay the wages of both for
    = 1 / [(1/21) + (1/28)] = (21 x 28) / (21 + 28)
    = (21 x 28) / 49
    = 3 x 4 = 12 days


  • Work and Wages problems


    Search Results


    • 1. 
      Vandana can do a piece of work in 10 days. With the help of Ruchi, she can do the same work in 6 days. If they get ? 200 for that work, then what will be the share of Ruchi in the received remuneration?

    • Options
    • A. ? 120
    • B. ? 100
    • C. ? 60
    • D. ? 80
    • Discuss
    • 2. 
      A alone can finish a work in 2 days, while B alone can finish it in 3 days. if they work together to finish it, them out of total wages of ? 6000, what will be the 20% of A's share?

    • Options
    • A. ? 720
    • B. ? 350
    • C. ? 820
    • D. ? 420
    • Discuss
    • 3. 
      A person can do a piece of work in 26 days and an another person can do the same work in 39 days. If they work together, then by what per cent the wages of 1 st person is more than that of 2nd person?

    • Options
    • A. 25%
    • B. 35%
    • C. 15%
    • D. 50%
    • Discuss
    • 4. 
      A can do a piece of work in 3 days while B can do the same work in 4 days. If they work together for a total wages of ? 2800. how much does A get?

    • Options
    • A. ? 1200
    • B. ? 1900
    • C. ? 1300
    • D. ? 1600
    • Discuss
    • 5. 
      A man and a boy received ? 1400 as wages for 10 days for the work they did together. The man's efficiency in the work was six times that of the boy. What is the daily wages of the boy?

    • Options
    • A. ? 10
    • B. ? 15
    • C. ? 20
    • D. ? 30
    • Discuss
    • 6. 
      Amit, Vipul and Kapil can do a piece of work in 12, 16 and 24 days, respectively. If they complete the work together and get an amount of ? 2700, then what is the share of Vipul in that amount?

    • Options
    • A. ? 450
    • B. ? 1000
    • C. ? 225
    • D. ? 900
    • Discuss
    • 7. 
      A, B and C completed a work costing ? 1800. A worked for 6 days, B worked for 4 days and C worked for 9 days. If their daily wages are in the ratio of 5 : 6 : 4, how much amount will be received by A?

    • Options
    • A. ? 600
    • B. ? 500
    • C. ? 900
    • D. ? 450
    • Discuss
    • 8. 
      A and B undertaken to do a piece of work for ? 1200. A alone can do it in 8 days, while B can do it in 6 days. With the help of C, they complete it in 3 days. Find C's share.

    • Options
    • A. ? 450
    • B. ? 300
    • C. ? 150
    • D. ? 100
    • Discuss
    • 9. 
      A person was appointed for a 50 days job on a condition that he will be paid ? 12 for every working day but he will be fined ? 6 for every day he remains absent. After the completion of the work, he got ? 420. For how many days. he did not work?

    • Options
    • A. 15 days
    • B. 5 days
    • C. 10 days
    • D. 20 days
    • Discuss
    • 10. 
      Ram can do a work in 9 days and Shyam in 15 days. If both work together to complete the work, in what ratio should the total earnings be shared?

    • Options
    • A. 3 : 5
    • B. 5 : 3
    • C. 2 : 3
    • D. None of these
    • Discuss


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