Time And Work Mock Tests

A and B can complete a work in 15 and 20 days respectively. They work on alternate days starting with A. In how many days will the work be completed?

A and B can complete a work in 12 days and 15 days respectively. If they work together, how many days will they take to complete the work?

A can do a piece of work in 12 days and B in 15 days. A starts the work and after 4 days B joins them. The total time taken to finish the work is:

A can complete a work in 10 days and B can complete the same work in 15 days. Working together, A and B will complete the work in:

A and B can do a work in 10 days and 15 days respectively. They work together. How many days will they take to complete the work?

If 4 workers can complete a work in 12 days, how many days will 6 workers take?

A can do a piece of work in 10 days and B can do the same work in 15 days. If they work together for 5 days, what fraction of the work is left?

If 15 men can complete a work in 24 days, how many men are required to complete the same work in 18 days?