DELHI POLICE CONSTABLE TIME AND WORK QUANT QUIZ-8

Attempt now to get your rank among 18 students!

Question 1:

A and B can finish a work in 12 days and 15 days respectively . They started working together .But after 2 days A had to leave the work and B alone completed the remaining work . In how many days did the work complete ?

Question 2:

D can do a work in 18 days and E can do the same work in half of that time. How many days will they take to finish the work, doing it together?

Question 3:

If 12 men or 18 women can reap a field in 14 days, then working at the same rate, 8 men and 16 women can reap the same field in:

Question 4:

A can do a piece of work in 20 days and B can do the same work in 40 days. A starts the work and left after 3 days remaining work done by B  then find in how many days work will have been done ?

Question 5:

A certain number of men can do a work in 35 days. If there were 9 men less it could be finished in 9 days more. Find the number of man ?

Question 6:

4 men and 6 boys can complete a piece of work in 12 days while 3 men and 7 boys can complete the same piece of work in 13 days. Find in how many days 2 men and a boy can complete the work.

Question 7:

A, B, C can do a piece of work in 10 days, 15 days and 30 days respectively. If A works continuously and every other day B and C also work with A, then in how many days will the work be finished?

Question 8:

If 12 men or 18 women can reap a field in 14 days, then working at the same rate, 8 men and 16 women can reap the same field in:

Question 9:

$A$ and $B$ together can complete a certain work in 24 days whereas $\mathrm{B}$ and $\mathrm{C}$ together can complete it in 30 days. If $A$ is twice as good a work man as $\mathrm{C}$, then in what time will $\mathrm{B}$ alone can do $30 \%$ of the same work?

Question 10:

$A$ can do a piece of work in 15 days. $B$ is $25\%$ more efficient than $A$, and $\mathrm{C}$ is $40 \%$ more efficient than $\mathrm{B}$. $A$ and $C$ work together for 3 days and then $\mathrm{C}$ leaves. $\mathrm{A}$ and $\mathrm{B}$ together will complete the remaining work in: