In a mixed letter coding system, if 'CAT' is coded as '312' and 'DOG' is coded as '415', what is the code for 'GAT'?

B. 314

Bird is to Nest as Bee is to ?

B. HIVE

If A can do a piece of work in 15 days and B can do it in 20 days, how long will it take for both A and B to complete the work together?

B. 10 DAYS
Posted in:  Time & Work -  Aptitude -  Mathematics

Teacher is to Classroom as Doctor is to ?

B. HOSPITAL

A and B can complete a work in 20 days and 30 days respectively. If they work together for 10 days, how much work is left?

A. 1/3
Posted in:  Time & Work -  Aptitude -  Mathematics