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A contractor employed a certain number of workers to finish constructing a road in a certain scheduled time. Sometime later, when a part of work had been completed, he realized that the work would delayed by three-fourth of the scheduled time. So, he at once doubled the number of workers and thus he managed to finish the road on the scheduled time. How much work had been completed before increasing the number of workers?
  • a)
  • b)
  • c)
    20%
  • d)
    None of the above 
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
A contractor employed a certain number of workers to finish constructi...
Let initially x people were employed to do the work in y days and after z days there number was doubled. If they continue to do the work on their initial pace, the work would have done in   So we have 
Now let initially 10 people were employed to do the work in 4 days. Since   so the number was doubled after one day. In the first day, 10 people did 10 man days work and then their number was doubled, so the 20 men did 60 man days work in the remaining 3 days. Hence the total work was 70 man days out of which 10 man days work was done before employing new people. Hence the required % age of work done before increasing the number of workers
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A contractor employed a certain number of workers to finish constructi...
See it may look long because I am explaining otherwise it take would 1 or 2 min and sorry for bad handwriting
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A contractor employed a certain number of workers to finish constructing a road in a certain scheduled time. Sometime later, when a part of work had been completed, he realized that the work would delayed by three-fourth of the scheduled time. So, he at once doubled the number of workers and thus he managed to finish the road on the scheduled time. How much work had been completed before increasing the number of workers?a)b)c)20%d)None of the aboveCorrect answer is option 'B'. Can you explain this answer?
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A contractor employed a certain number of workers to finish constructing a road in a certain scheduled time. Sometime later, when a part of work had been completed, he realized that the work would delayed by three-fourth of the scheduled time. So, he at once doubled the number of workers and thus he managed to finish the road on the scheduled time. How much work had been completed before increasing the number of workers?a)b)c)20%d)None of the aboveCorrect answer is option 'B'. Can you explain this answer? for CAT 2024 is part of CAT preparation. The Question and answers have been prepared according to the CAT exam syllabus. Information about A contractor employed a certain number of workers to finish constructing a road in a certain scheduled time. Sometime later, when a part of work had been completed, he realized that the work would delayed by three-fourth of the scheduled time. So, he at once doubled the number of workers and thus he managed to finish the road on the scheduled time. How much work had been completed before increasing the number of workers?a)b)c)20%d)None of the aboveCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for CAT 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A contractor employed a certain number of workers to finish constructing a road in a certain scheduled time. Sometime later, when a part of work had been completed, he realized that the work would delayed by three-fourth of the scheduled time. So, he at once doubled the number of workers and thus he managed to finish the road on the scheduled time. How much work had been completed before increasing the number of workers?a)b)c)20%d)None of the aboveCorrect answer is option 'B'. Can you explain this answer?.
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