Time and Work - Quantitative Aptitude (MCQ) questions for Q. 122

Q.  A pack of people can complete a certain amount of work in 12 days. Two times the same number of persons will complete half of the work in?
- Published on 15 Jun 15

a. 12 days
b. 3 days
c. 4 days
d. 6 days

ANSWER: 3 days
 
More no of people: Less days (Inverse Relationship)

More work: More days (Direct Relationship)

Ratio is given:

Persons: 1 :: 2
Work 1 :: 1/2
Time 12 :: x

Solution of this can be explained by solving this ratio by the sort of relationships they possess with time.

1*1/2*12 = 2*1*x

=> x = 3 days

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