A can complete a work in 10 days, while B can complete the same work in 15 days. How many days will they take to complete the work together?

A. 6 DAYS
Posted in:  Time & Work -  Aptitude -  Mathematics

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

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

Five tasks P, Q, R, S, and T need to be completed. P must be done before Q, R must be done before S, and T must be done after Q. What is the correct sequence of tasks?

C. P, R, Q, S, T

In the sequence 5, 10, 15, 20, 25, 30, how many times does the number 15 occur?

A. 1

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

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