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होम › GRE › GRE Quant - Work, Rate and Time

GRE Quant - Work, Rate and Time — GRE Questions & Practice

508 GRE Quant - Work, Rate and Time questions from GRE for competitive exams such as UPSC, Banking, SSC and Railway. Read the worked questions below, check every answer with an explanation, and track what you get wrong. का अभ्यास करें

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GRE Quant - Work, Rate and Time पर अभ्यास प्रश्न — उत्तर सहित

Try each question first, then open the answer. Explanations are included.

1. A worker can complete a task in 7 days. What percentage of the task is completed after 1 day(s) of work?

  1. A12.3
  2. B19.3
  3. C14.3
  4. D13.3
उत्तर दिखाएँ

उत्तर: C

Fraction completed = Worked days / Total days = 1/7 = 14.3%.

2. A worker can complete a task in 13 days. What percentage of the task is completed after 1 day(s) of work?

  1. A8.28
  2. B7.7
  3. C12.7
  4. D6.57
उत्तर दिखाएँ

उत्तर: B

Fraction completed = Worked days / Total days = 1/13 = 7.7%.

3. A worker can complete a task in 9 days. What percentage of the task is completed after 3 day(s) of work?

  1. A27.26
  2. B33.8
  3. C38.52
  4. D33.3
उत्तर दिखाएँ

उत्तर: D

Fraction completed = Worked days / Total days = 3/9 = 33.3%.

4. A worker can complete a task in 27 days. What percentage of the task is completed after 23 day(s) of work?

  1. A74.95
  2. B95.19
  3. C85.2
  4. D72.46
उत्तर दिखाएँ

उत्तर: C

Fraction completed = Worked days / Total days = 23/27 = 85.2%.

5. Worker A can complete a job alone in 15 days, and Worker B can complete the same job alone in 18 days. If they work together, how many days will it take to complete the job?

  1. A7.68
  2. B8.18
  3. C7.83
  4. D8.22
उत्तर दिखाएँ

उत्तर: B

Combined time = (A x B)/(A + B) = (15 x 18)/(15 + 18) = 8.18 days.

GRE Quant - Work, Rate and Time और प्रश्न हल करें

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