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Home Aptitude Work and Wages See What Others Are Saying!
  • Question
  • Total wages for a work is ? 1280. A alone can do a piece of work in 8 days, while B alone can do it in 12 days. If A and B work on alternate days, then find the share of A.


  • Options
  • A. ? 800
  • B. ? 500
  • C. ? 600
  • D. ? 700

  • Correct Answer
  • ? 800 

    Explanation

    Work for 1 st 2 days = (1/8) + (1/12) = 5/24
    ? Work for 8 days = (5/24) x (8/2) = 5/6
    ? Remaining work = 1- (5/6) = (6 - 5) / 6 = 1/6
    On 9th day, A's work = 1/8

    Remaining work after 9 days = (1/6) - (1/8) = (4 - 3) / 24 = 1/24
    B will finish this work in (12 x 1)/24 = 1/2 day
    Clearly, A worked for 5 days from starting.

    ? Work done by A in 5 days = (1/8) x 5 = 5/8
    ? A's share = (5/8) x 1280 = 5 x 160 = ? 800


  • More questions

    • 1. 
      The value of 47 / 10000 is?

    • Options
    • A. .0047
    • B. .0470
    • C. .00047
    • D. .000047
    • Discuss
    • 2. If 4x = 18y, then the value of ( x/y - 1) is

    • Options
    • A. 1 3
    • B. 7 2
    • C. 2 3
    • D. 3 2
    • Discuss
    • 3. 
      If the price of 23 toys is Rs. 276, then what will the price (Rs.) of 12 toys?

    • Options
    • A. 144
    • B. 158
    • C. 159
    • D. 166
    • Discuss
    • 4. 
      .02 =(......?.....)%

    • Options
    • A. 20
    • B. 2
    • C. .02
    • D. .2
    • Discuss
    • 5. 
      If 36 men can do a piece of work in 25 hours, in how many hours will 15 men do it?

    • Options
    • A. 45
    • B. 55
    • C. 60
    • D. 72
    • Discuss
    • 6. 
      2?63 / 11 =233

    • Options
    • A. 4
    • B. 3
    • C. 6
    • D. 5
    • Discuss
    • 7. 
      When 121012 is divided by 12, the remainder is

    • Options
    • A. 0
    • B. 2
    • C. 3
    • D. 4
    • Discuss
    • 8. 
      Aarti can do a piece of work in 6 days. In how many days will she complete three time of work of same type?

    • Options
    • A. 18 days
    • B. 21 days
    • C. 3 days
    • D. 6 days
    • Discuss
    • 9. 
      750.0003 ÷ 19.999 =?

    • Options
    • A. 49
    • B. 18
    • C. 22
    • D. 38
    • Discuss
    • 10. 
      105, 85, 60, 30, 0, - 45, - 90?

    • Options
    • A. 0
    • B. 85
    • C. -45
    • D. 60
    • Discuss


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