If A can do a piece of work in 12 days and B can do it in 18 days, how much time will they take to complete the work together?

A. 7.2 DAYS
Posted in:  Time & Work -  Aptitude -  Mathematics

X : Y :: Z : ?

A. A
Posted in:  Alphabet Analogy -  Analogy -  Verbal Reasoning

A can do a work in 15 days, B can do it in 20 days, and C can do it in 30 days. If they work together, how long will it take to complete the work?

B. 5 DAYS
Posted in:  Time & Work -  Aptitude -  Mathematics

Author is to Book as Painter is to ____?

B. ART

Fish is to Swim as Bird is to ?

A. FLY