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

A can finish a work in 24 days, B in 36 days, and C in 48 days. If they all work together, how long will they take to finish the work?

C. 12
Posted in:  Time & Work -  Aptitude -  Mathematics

If A can do a work in 10 days and B can do it in 15 days, how much work will be completed if they work together for 5 days?

A. 1/2
Posted in:  Time & Work -  Aptitude -  Mathematics

Five friends A, B, C, D, and E are sitting in a row. A is to the left of B but to the right of C. D is sitting to the right of E. Who is sitting in the middle?

A. A

In a race, John finishes before Mary but after Tom. Sarah finishes after Mary but before Alex. Which of the following is the correct order of finishers from first to last?

A. TOM, JOHN, MARY, SARAH, ALEX