A topic you 'somewhat know' is a topic you don't know yet. Be honest about your weak areas.

Time and Work — quick quiz

5 GJ Police PC-pattern questions on Time and Work. Instant scoring and solutions, no signup — see where you stand in a few minutes.

Question 1 of 5

Medium

A can complete a work in 15 days and B can complete the same work in 20 days. If they work together, in how many days will the work be completed?