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Question 1:

A certain number of girls can complete a particular work in 60 days. Had there been 8 more girls, the work could have been finished 10 days earlier. Find the number of girls who worked initially.

Question 2:

60 men take 36 days to build a wall. When one-sixth of the work is completed, one-fourth of the workers leave the job. In total, how many days will it take to complete the work?

Question 3:

‘A’ is 25% less efficient than ‘B’ who can do the same work in 30% less time than ‘C’. If A and B together can complete 35% of the work in 51 days, then in how many days 80% of the work can be completed by B and C together?

Question 4:

Ratio of efficiencies of A, B and C is 2 : 3 : 4 whereas the ratio of efficiencies of C, D and E is 1 : 5 : 7. A and E working together can finish a work in 69 days. B and D working together will finish the same work in how many days?

Question 5:

17 trainees can do the same work as 4 specialists in a day. It takes 12 experts and 9 trainees 5 days to build a pond. How many apprentices along with 4 experts will be required to build the same pond in 15 days?

Question 6:

A and $B$ together can do a piece of work in 15 days, while $A$ alone can do that work in $18.75$ days. They started working together but $A$ left the work $12.5$ days before the completion of the work. For how many days did $A$ and $B$ work together?

Question 7:

A can do a piece of work in 4 days and B can do it in 6 days. If both of them work together then in how many days will it take to complete the work? ,

Question 8:

Sarthak can fill a sand pit in 14 days while Vivaan takes 35 days to fill it. Ali can completely empty a filled sand pit in 12 days. If all three work together in the empty pit, then in how many days will the sand pit be filled again?

Question 9:

Raksha can complete a piece of work in 12 days while ishwar takes 20 days to complete the work. They start the work together but 4 days before it gets over the Raksha work which leaves how many days ishwar works?

Question 10:

12 women can complete a work in 64 day, then find how many women will be required to complete 2/3 rd of the same work in 16 days?