Last Day Dr. Sahab Series|5 Complete Test

Last Heroic Days

A can complete a task alone in 9 days while B takes 13.5 days to do it by herself . Together with C it takes them 4.5 days to complete the task . If C and D together can complete the task in 18 days , then how many days will D need to complete the task by herself ?

Working 2 hours in a day, P can complete a work in 10 days and working 5 hours in a day, Q can complete the same work in 6 days. Working 3 hours in a day, in how many days both P and Q together can complete the same work?

A series is given with one term missing .Select the correct alternative from the given ones that will complete the series : BT , DR , FP , ?