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  • Question
  • Ramesh and Suresh undertaken to do a piece of work for ? 800. Ramesh alone can do it in 12 days, while Suresh alone can do it in 16 days. With the assistance of a boy, they finish it in 6 days. How should the money be divided?


  • Options
  • A. Ramesh = ? 100, Suresh = ? 300 and boy = ? 400
  • B. Ramesh = ? 200, Suresh = ? 200 and boy = ? 400
  • C. Ramesh = ? 400, Suresh = ? 300 and boy = ? 100
  • D. Ramesh = ? 300, Suresh = ? 400 and boy = ? 100

  • Correct Answer
  • Ramesh = ? 400, Suresh = ? 300 and boy = ? 100 

    Explanation

    Ramesh's 1 day's work = 1/12
    Suresh's 1 day's work = 1/16
    (Ramesh + Suresh)'s 1 day work = (1/12) + (1/16)
    = (16 + 12) / (12 x 16)
    = 28/192
    = 7/48

    Given that, (Ramesh + Suresh + Boy)'s
    1 day's work = 1/6
    ? Boy's 1 day's work = (1/6) - (7/48) = (8 - 7)/ 48 = 1/48
    ? Ramesh's share : Suresh's share : Boy's share = 1/12 : 1/16 : 1/48
    = (8/96) : (6/96) : (2/96)
    = 8 : 6 : 2
    = 4 : 3 : 1

    Let Ramesh's share be 4k , Suresh's share be 3k and boy's share be k.
    According to the question,
    4k + 3k + k = 800
    8k = 800
    ? k = 800/8 = 100

    ? Ramesh's share = 4k = 4 x 100 = ? 400
    Suresh's share = 3k = 3 x 100 = ? 300
    Boy's share = k = ? 100


  • More questions

    • 1. 
      In a race of 600 m, A can beat B by 60 m and in a race of 500 m, B can beat C by 50 m. By how many meter will A beat C in a race of 400 m?

    • Options
    • A. 78 m
    • B. 56 m
    • C. 76 m
    • D. 86 m
    • Discuss
    • 2. 
      0.15 / (0.5 / 15) =?

    • Options
    • A. 4.5
    • B. 45
    • C. 0.03
    • D. 0.45
    • Discuss
    • 3. 
      For any integers a and b with HCF (a, b) = 1, what is HCF (a + b, a - b) equal to?

    • Options
    • A. It is always 1
    • B. It is always 2
    • C. Either 1 or 2
    • D. None of the above
    • Discuss
    • 4. 5358 x 51 =?

    • Options
    • A. 273258
    • B. 273268
    • C. 273348
    • D. 273358
    • Discuss
    • 5. Which of the following numbers is divisible by each one of 3, 7, 9 and 11?

    • Options
    • A. 639
    • B. 2079
    • C. 3791
    • D. 37911
    • E. None of these
    • Discuss
    • 6. 
      If the total sales for a business in a certain year were ? 132000. What were the sales in june, if june sales were half the monthly average?

    • Options
    • A. ? 8400
    • B. ? 7200
    • C. ? 5500
    • D. ? 6300
    • Discuss
    • 7. 
      If 0.8 x A = 0.09 x B, then find A : B.

    • Options
    • A. 9 : 80
    • B. 3 : 80
    • C. 80 : 9
    • D. 7 : 80
    • Discuss
    • 8. 
      A 4% stock yield 5%. The market value of the stock is?

    • Options
    • A. Rs. 125
    • B. Rs. 80
    • C. Rs. 99
    • D. Rs. 109
    • Discuss
    • 9. 
      The product of 3.5413 x 2.1 is

    • Options
    • A. 7.44673
    • B. 7.43673
    • C. 7.53673
    • D. None of these
    • Discuss
    • 10. 
      Maganlal, a worker, makes an article in every 2/3h. If he works for 7 1/ 2h, then how many articles will he make?

    • Options
    • A. 111/4
    • B. 111/3
    • C. 112/6
    • D. 112/5
    • Discuss


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