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# Aptitude - Time and Work

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### Exercise

"I never see what has been done; I only see what remains to be done."
- Marie Curie

Each of the questions given below consists of a question followed by three statements. You have to study the question and the statements and decide which of the statement(s) is/are necessary to answer the question.

1.

In how many days can 10 women finish a work?

I.

10 men can complete the work in 6 days.

II.

 10 men and 10 women together can complete the work in 3 3 days 7

III.

If 10 men work for 3 days and thereafter 10 women replace them, the remaining work in completed in 4 days.

 A. Any two of the three B. I and II only C. II and III only D. I and III only E. None of these

2.

 How many workers are required for completing the construction work in 10 days? I. 20% of the work can be completed by 8 workers in 8 days. II. 20 workers can complete the work in 16 days. III. One-eighth of the work can be completed by 8 workers in 5 days.

 A. I only B. II and III only C. III only D. I and III only E. Any one of the three