Time & Work · SSC CGL previous year questions

A, B, and C can complete a certain task in 20, 30, and 60 days respectively. How many days will it take for A to finish the work if he receives help from B and C every third day?

1. A.15 days
2. B.12 days
3. C.10 days
4. D.9 days

A is three times more efficient as a worker than B, which allows A to complete a job in 60 days less than B. If they work together, they can finish the job in:

1. A.19.2 days
2. B.22.5 days
3. C.16 days
4. D.20 days

A and B can complete a task in 12 days and 18 days, respectively. They begin the work together, but B leaves after 4 days. How many more days will A take to finish the remaining work?

1. A.Option 1
2. B.Option 2
3. C.Option 3
4. D.Option 4

A and B can complete a certain task together in 30 days. After A works for 16 days, B is left to finish the remaining work by himself in 44 days. How many days would it take for B to complete the entire task on his own?

1. A.40 days
2. B.50 days
3. C.60 days
4. D.70 days

A can do a work in 8 days and B in 12 days. They work together for 3 days. What part of the work is left?

1. A.Option 1
2. B.Option 2
3. C.Option 3
4. D.Option 4

A and B can complete a task together in 12 days, while B and C can finish it in 16 days. After A works on it for 5 days and B for 7 days, C takes the remaining 13 days to finish the work. How many days would it take for C to complete the work alone?

1. A.24 days
2. B.16 days
3. C.20 days
4. D.18 days

A alone can complete a job in 12 days and B alone in 18 days. A and B agree to do the work for ₹7,200. With C's help they finish it in 5 days. How much should C be paid?

1. A.₹2,200
2. B.₹2,400
3. C.₹2,600
4. D.₹2,800

A and B together can complete a work in 12 days. B and C together can complete the same work in 15 days. C and A together can do it in 20 days. In how many days can A alone complete the job?

1. A.30 days
2. B.20 days
3. C.50 days
4. D.15 days

A can lay railway track between two specified stations in 16 days, while B can complete the same task in 12 days. When C assists them, they manage to finish the job in just 4 days. How long would it take for C to complete the job on their own?

1. A.Option 1
2. B.Option 2
3. C.Option 3
4. D.Option 4

A can build up a wall in 8 days while B can break it in 3 days. A has worked for 4 days and then B joined to work with A for another 2 days only. In how many days will A alone build up the remaining part of the wall?

1. A.Option 1
2. B.Option 2
3. C.Option 3
4. D.Option 4

A is able to complete a task in 15 days, while B takes 20 days to finish the same task. If they collaborate and work together for 4 days, what fraction of the work will still remain?

1. A.Option 1
2. B.Option 2
3. C.Option 3
4. D.Option 4

Three pipes, A, B, and C are capable of filling a tank in 6, 8, and 12 hours, respectively. When all three pipes are opened together, they operate for 2 hours before pipe C is closed. How much additional time will it take to completely fill the tank after that?

1. A.Option 1
2. B.Option 2
3. C.Option 3
4. D.Option 4

A, B, and C are capable of completing a job in 30, 45, and 90 days, respectively. A works every day, while B and C join A every fifth day. How long will it take to finish the task?

1. A.25 days
2. B.18 days
3. C.16 days
4. D.12 days

One pipe can fill a tank four times as fast as another pipe. If together the two pipes can fill the tank in 48 minutes, the slower pipe alone will be able to fill the tank in:

1. A.240 minutes
2. B.144 minutes
3. C.192 minutes
4. D.288 minutes

Varun and Raju, working together, can complete a job in 40 hours whereas Varun alone can complete the same job in 50 hours. The number of hours required by Raju to complete the job alone is:

1. A.170
2. B.150
3. C.200
4. D.190

A tank is filled in 45 minutes by two pipes, A and B. Pipe B fills the tank twice as fast as A. How much time (in minutes) will pipe A alone take to fill the tank?

1. A.115
2. B.135
3. C.125
4. D.140

The following table shows the production (in units) and sales, of different items of a steel company. Study the table and answer the question that follows. Item Production (Units) Sales (Units) Plate 252 190 Bowl 356 307 Spoon 185 133 Pipe 220 155 Holder 458 419 In which item is there the least number of unsold items?

1. A.Plate
2. B.Holder
3. C.Spoon
4. D.Pipe

An inlet pipe can fill a water storage tank in 11 hours and an outlet pipe can empty the completely filled tank in 15 hours .If both pipes opened simultaneously. The time taken to fill the empty tank ( in hrs) is :

1. A.Option 1
2. B.Option 2
3. C.Option 3
4. D.Option 4

Two pipes X and Y can fill a tank in 14 hours and 21 hours, respectively. Both pipes are opened simultaneously to fill the tank. In how many hours will the empty tank be filled?

1. A.Option 1
2. B.Option 2
3. C.Option 3
4. D.Option 4

A cylindrical tank of radius 14 cm is full of water. If 616 litres of water are drawn out, then the water level in the tank is dropped by ______ m. (Take )

1. A.1
2. B.10
3. C.1000
4. D.100

A tap can fill a cistern in 10 minutes and another tap can empty it in 12 minutes. If both the taps are open, the time (in hours) taken to fill the tank will be:

1. A.2 hours
2. B.2.5 hours
3. C.1 hour
4. D.1.5 hours

The number of pages printed by two printers P1 and P2 over three days are given in the following table. Study the table carefully and answer the question given below. Days/Printer P1 P2 Monday 200 250 Tuesday 150 300 Wednesday 225 210 What is the difference between the total number of pages printed by the two printers during these three days?

1. A.185
2. B.180
3. C.170
4. D.175

One pipe can fill a tank 6 times faster than another pipe. If both the pipes together can fill the tank in 40 minutes, then in how many minutes will the slower pipe alone be able to fill the tank?

1. A.290
2. B.275
3. C.285
4. D.280

Pipe A takes $\frac{4}{5}$ of the time required by pipe B to fill an empty tank individually. When an outlet pipe C is also opened simultaneously with pipes A and B, it takes $\frac{4}{5}$ more time to fill the empty tank than it takes when only pipe A and pipe B are opened together. If it takes 40 hours to fill the tank when all the three pipes are opened simultaneously, in what time (in hours) will pipe C empty the full tank, operating alone?

1. A.45
2. B.75
3. C.65
4. D.50

Pipe A can fill a cistern in 4 hours and Pipe B can fill the same cistern in 5 hours. Pipe C can empty a full cistern in 3 hours. If all three pipes are opened together, then the time (in minutes) taken to fill the tank is: (round to the nearest minute)

1. A.625
2. B.445
3. C.514
4. D.800