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Quantitative Aptitude

Data Sufficiency 2

Directions to Solve

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 33/7

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

Overview

Exercise