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  • Question
  • If one man or two woman or three boys can finish a work in 88 days , then how many days will one man one woman and one boys together take to finish the same work?


  • Options
  • A. 46 boys
  • B. 54 days
  • C. 48 days
  • D. 44 days

  • Correct Answer
  • 48 days 

    Explanation

    1 man = 2 woman = 3 boys
    ? 1 man + 1 woman + 1 boy = (3 + 3/2 + 1) boys = 11/2 boys
    Here M1 = 3 M2 = 11/2, D1 = 88 and D2 = ?
    According to the formula
    M1D1 = M2D2
    ? D2 = M1D1/M2
    ? Required number of days
    = 3 x 2 x 88/11 = 3 x 2 x 8 = 48 days


  • More questions

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      What percent of 7.2 kg is 18 gms?

    • Options
    • A. .025%
    • B. .25%
    • C. 2.5%
    • D. 25%
    • Discuss
    • 2. 
      Find the cube root of 19683.

    • Options
    • A. 25
    • B. 26
    • C. 28
    • D. 27
    • Discuss
    • 3. 
      A cost of cultivating a square field at a rate of ? 135 per hectare is ? 1215. The cost of putting a fence around it at the rate of 75 paise per meter wouldbe

    • Options
    • A. ? 360
    • B. ? 810
    • C. ? 900
    • D. ? 1800
    • Discuss
    • 4. 
      Find the sum of place and face values of 8 in 43836

    • Options
    • A. 88
    • B. 808
    • C. 880
    • D. 888
    • Discuss
    • 5. 
      Find the quotient when (a-1 - 1) is divided by (a - 1).

    • Options
    • A. 2/a
    • B. 2a
    • C. a/2
    • D. -1/a
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    • 6. 
      Find the least number which when divided by 12, 15, 20 and 24 leaves the same remainder 2 in each case?

    • Options
    • A. 122
    • B. 120
    • C. 124
    • D. 126
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    • 7. 
      If the area of a semi-circle be 77 sq m, find its perimeter.

    • Options
    • A. 36 m
    • B. 42 m
    • C. 48 m
    • D. 54 m
    • Discuss
    • 8. 
      What is the remainder in the expression 29 18? 26

    • Options
    • A. 29
    • B. 26
    • C. 18
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    • 9. 
      The whole surface area of a rectangular block is 8788 sq cm. If length, breadth and height are in ratio of 4 : 3 : 2, then find the length.?

    • Options
    • A. 26 cm
    • B. 52 cm
    • C. 104 cm
    • D. 13 cm
    • Discuss
    • 10. 
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    • Options
    • A. 47
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    • C. 23
    • D. 35
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