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Question 1:

If 12 women can do a work in 15 days and 16 males can do the same work in 15 days then the ratio of efficiencies of male and female is ?

Question 2:

P and Q can complete a work in 9 and 12 days respectively. Working alternatively, in how many days the same work will be completed if Q starts the work.

Question 3:

A completes a work in 24 days , A+B completes the same work in 18 days while B+C completes the same work in 24 days. Find how many days C alone completes the whole work?

Question 4:

A alone can complete a work in 25 days and $B$ alone can complete the same work in 15 days. If $C$ is $60 \%$ less efficient than B, then find time taken by A and C together to complete the same work?

Question 5:

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?

Question 6:

A can complete a task in 8 days while B can complete it in 12 days. In how many days can C complete the task if all 3 of them together can complete it in 3 days?

Question 7:

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 8:

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 9:

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 10:

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.