Question : P, Q, and R alone can do a piece of work in 5, 6, and 4 days, respectively. All three of them began the work together but Q left 1 day before completion of the work. In how many days was the work completed?

Question : When a sum of money was equally distributed among 50 children, each child received INR 80. If the same amount is equally distributed among another group of children such that each child gets INR 50, then what is the number of children in the second group?

Question : Directions: Among five friends P, Q, R, S and T, T is taller than only three other friends. R is the tallest among all friends. Q is taller than only one person. Only two persons are taller than P. Who is the shortest among all the friends?

Question : P alone can complete a work in 25 days and Q alone can complete the same work in 50 days. If both of them work together, then in 12 days what percent work of the total work will be completed?

Question : A piece of work can be completed by P and Q together in 24 days, and the same piece of work can be completed by R alone in 60 days. If P and R together can do the same work in 36 days, then find the time taken by Q to complete this piece of work alone.