SSC CGL Previous Year Questions: Time and Work (Pipe & Cisterns) - 1 - SSC CGL MCQ

A is 40% more efficient than B and C is 20% less efficient than B. Working together, they can finish a work is 5 days. In how many days will A alone complete 70% of that work?    (SSC CGL-2018)

It is given that men are twice as efficient than women in respect of doing a work. If three men and two women can complete the work in 2 days, then in how many days can a women working alone complete the work?    (SSC CHSL-2018)

Pipes A and B can fill a tank in 6 hours and 8 hours respectively and pipe C can empty’ the full tank in 12 hours.
All three pipes are opened together, but pipe A is closed after 3 hours. In how many hours will the remaining part of the tank be filled?    (SSC Sub. Ins. 2018)

36 persons working 8 hours a day can do 3 units of work in 12 days. How many persons are required to do 5 units of that work in 16 days, if they work for 6 hours a day?    (SSC Sub. Ins. 2018)

Two pipes A and B can fill an empty Tank in 8 hours and 12 hours respectively. They are opened alternately for 1 hour each, starting with pipe A first. In how many hours will the empty tank be filled?    (SSC Sub. Ins. 2018)

The efficiency of A, B and C are in the ratio 5 : 6 : 9. Working together, they can complete a work in 18 days. In how many days can B alone complete 25% of that work?    (SSC Sub. Ins. 2018)

Two inlet pipes can fill a cistern in 10 and 12 hours respectively and an outlet pipe can empty 80 gallons of water per hour. All the three pipes working together can fill the empty cistern in 20 hours. What is the capacity (in gallons) of the tank?    (SSC Sub. Ins. 2017)

P is four times as efficient as Q.P can complete a work in 45 days less than Q. If both of them work together, then in how many days the work will be completed?    (SSC Sub. Ins. 2017)

A certain number of men complete a piece of work in 60 days. If there were 8 men more, the work can be finished in 10 days less. The number of men originally is:    (SSC MTS 2017)

A can do a piece of work in 5 days and B in 4 days. How long will they take to do the same work when working together?    (SSC MTS 2017)

A does 80% of a work in 20 days. He then calls in B and they together finish the remaining work in 4 days. How long B alone would take to do the whole work?    (SSC CHSL 2017)

A can do a work in 8 days, B can do the same work in 10 days and C can do the same work in 12 days. If all three of them do the same work together and they are paid ₹ 7400, then what is the share (in ₹ ) of B?    (SSC CGL 2017)

A piece of work was finished by A, B, and C together. A and B together finished 60%  of the work and B and C together finished 70% of work. Who among the three is the most efficient?    (SSC CGL 2017)

Raman can do a work in 5 days, Jatin can do the same work in 7 days and Sachin can do the same work in 9 days. If they do the same work together and they are paid ₹ 2860, then what is the share (in ₹) of Raman?    (SSC CGL 2017)

A, B and C can complete a work in 20, 24 and 30 days respectively. All three of them starts together but after 4 days A leaves the job and B left the job 6 days before the work was completed. C completed the remaining work alone. In how many days was the total work completed?    (SSC CGL 2017)

If 4 men and 6 women can complete a work in 8 days, while 3 men and 7 women can complete it in 10 days, then 10 women complete it in    (SSC Sub. Ins. 2016)

A and B can separately finish a piece of work in 20 days and 15 days respectively. They worked together for 6 days, after which B was replaced by C. If the work was finished in next 4 days, then the number of days in which C alone could do the work is    (SSC Sub. Ins. 2016)