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Home Aptitude Time and Work See What Others Are Saying!
  • Question
  • A contractor undertook a work to complete in 60 days. But just after 20 days he observed that only 1/5th of the project work had been completed. To complete the work in time (i.e,In rest days) minimum how many workers he had to increase, if there were initially 75 workers were deployed for the task?


  • Options
  • A. 25
  • B. 50
  • C. 75
  • D. can't be determined

  • Correct Answer
  • 75 

    Explanation

    Work done = 1/5
    remaining work = 4/5
    ? 4 (20 x 75) = 40 x N
    N = 150
    Therefore 75 men should be increased.


  • More questions

    • 1. 
      ( x2/3)- 3/4 is equivalent to :

    • Options
    • A. 1 x
    • B. 1 ?x
    • C. 1 x2
    • D. 1 x- 2
    • Discuss
    • 2. 
      The probability of getting a composite number when a six-faced unbiased die is tossed, is

    • Options
    • A. 1/4
    • B. 1/3
    • C. 1/2
    • D. 1
    • Discuss
    • 3. 
      Ajay takes some loan from Rashmi at the rate of 5% per annum andd after 2 yr, Ajay gave back ? 8800 to Rashmi and this way paid his whole loan. Find the interest by Ajay.

    • Options
    • A. ? 825
    • B. ? 975
    • C. ? 800
    • D. ? 850
    • Discuss
    • 4. 582, 605, 588, 611, 634, 617, 600

    • Options
    • A. 634
    • B. 611
    • C. 605
    • D. 600
    • Discuss
    • 5. 
      In the given figure, AM ? BC and AN is the bisector of ?A. What is the measure of ?MAN.

    • Options
    • A. 17.5°
    • B. 15.5°
    • C. 20°
    • D. 25°
    • Discuss
    • 6. 
      If the cost of 1/4 th of kg is Rs. 0·60, then what is the cost of 200 gm ?

    • Options
    • A. 42 paise
    • B. 48 paise
    • C. 40 paise
    • D. 50 paise
    • Discuss
    • 7. 10, 26, 74, 218, 654, 1946, 5834

    • Options
    • A. 26
    • B. 74
    • C. 218
    • D. 654
    • E. 1946
    • Discuss
    • 8. 
      One side of a rectangular field is 4 meter and its diagonal is 5 meter. The area of the field is?

    • Options
    • A. 12 m2
    • B. 15 m2
    • C. 20 m 2
    • D. 4?5 m2
    • Discuss
    • 9. 
      Convert 0.2 7 into a vulgar fraction.

    • Options
    • A. 5/18
    • B. 5/19
    • C. 7/19
    • D. 3/17
    • Discuss
    • 10. 
      If in a hostel 45 days, food is available food is available for 50 students, for how many days will this food be sufficient for 75 students?

    • Options
    • A. 25 days
    • B. 28 days
    • C. 30 days
    • D. 40 days
    • Discuss


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