12 men can do a piece of work in 24 days. How many days are needed to complete the work, if 8 men do this work ?

Working together, Asha and Sudha can complete an assigned task in 20 days. However, if Asha worked alone and completed h…

16 women take 12 days to complete a work which can be completed by 12 men in 8 days. 16 men started working and after 3 …

Two pipes A and B can fill a tank in 36 min. and 45 min. respectively. Another pipe C can empty the tank in 30 min. Firs…

20 men can do a piece of work in 18 days. They worked together for 3 days, then 5 men joined. In how many days is the re…

A and B can do a piece of work in 12 days, B and C in 8 days and C and A in 6 days. How long would B take to do the same…

A can do a piece of work in 20 days and B in 40 days. If they work together for 5 days, then the fraction of the work th…

A group of workers can complete a piece of work in 50 days, when they are working individually. On the first day one per…