CDS MATHEMATICS QUIZ

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Question 1:

Ranjit can do a piece of work in 25 days while Anji can do it in 20 days. They work together for 5 days and then Ranjit leaves. In how many days will Anji take to finish the remaining work?

Question 2:

48 people can do a piece of work in 17 days. After 6 days 4 workers left the work. After how many days will it take to complete the work?

Question 3:

$A$ and $B$ can do a piece of work in 8 days, $B$ and $C$ together can do it in 12 days. If $A, B$, and $C$ together can do this work in 6 days, then in how many days will $A$ and $C$ complete twice the work?


Question 4:

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 5:

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 6:

36 men can complete a piece of work in 18 days. In how many days will 27 men complete the same work?

Question 7:

If a typewriter takes four minutes to type a page, then how many typers will be needed to type 1080 pages between 1PM to 2 PM in the afternoon?

Question 8:

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 9:

Sunny and Paula can complete a piece of work together in 12 hours. Paula takes 18 hours to complete work alone, another individual, Jane, takes 45 hours to complete the same piece of work alone. How many hours would it take sunny and Jane to complete the same work together?

Question 10:

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?