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Practice Time and work Questions and Answers

‘A’ alone can do some work in 13 days. ‘B’ and ‘C’ together can do the same work in 18 days. If ‘B’ is half as efficient as ‘A’, then f...
‘A’ alone can do some work in 20 days. ‘B’ and ‘C’ together can do the same work in 15 days. If ‘B’ is half as efficient as ‘A’, then f...
‘A’ alone can do some work in 25 days. ‘B’ and ‘C’ together can do the same work in 10 days. If ‘B’ is half as efficient as ‘A’, then f...
‘A’ alone can do some work in 10 days. ‘B’ and ‘C’ together can do the same work in 4 days. If ‘B’ is half as efficient as ‘A’, then fi...
The ratio of efficiencies of X and Y for doing a certain work is 5 ∶ 9. Working together, they can complete a work in 15 days. X alone will complete 66(2...
‘A’ and ‘B’ can do a piece of work in 20 days and 40 days, respectively. If they started the work together and worked on it for 6 days, then find t...
‘A’ and ‘B’ can do a piece of work in 20 days and 30 days, respectively. If they started the work together and worked on it for 7 days, then find t...
‘A’ and ‘B’ can do a piece of work in 25 days and 30 days, respectively. If they started the work together and worked on it for 8 days, then find t...
‘A’ and ‘B’ can do a piece of work in 20 days and 32 days, respectively. If they started the work together and worked on it for 9 days, then find t...
‘A’ and ‘B’ can do a piece of work in 22 days and 25 days, respectively. If they started the work together and worked on it for 6 days, then find t...
‘A’ and ‘B’ can do a piece of work in 20 days and 25 days, respectively. If they started the work together and worked on it for 4 days, then find t...
‘A’ and ‘B’ can do a piece of work in 12 days and 15 days, respectively. If they started the work together and worked on it for 2 days, then find t...
A buffalo alone can plough field ‘A’ in 30 days. A Bull alone can plough the field ‘A’ in 50 days. Find the number of days taken by 2 bulls and 1 b...
A buffalo alone can plough field ‘A’ in 50 days. A Bull alone can plough the field ‘A’ in 75 days. Find the number of days taken by 1 bulls and 3 b...
A buffalo alone can plough field ‘A’ in 20 days. A Bull alone can plough the field ‘A’ in 32 days. Find the number of days taken by 2 bulls and 2 b...
A buffalo alone can plough field ‘A’ in 30 days. A Bull alone can plough the field ‘A’ in 36 days. Find the number of days taken by 2 bulls and 1 b...
A 250 litres mixture contains only water and phenyl in the ratio 3:2, respectively. If 60 litres of this mixture is replaced with 90 litres of alcohol, the...
A 210 litres mixture contains only water and phenyl in the ratio 3:2, respectively. If 60 litres of this mixture is replaced with 100 litres of alcohol, th...
‘A’ alone can complete a work in 65 hours. ‘A’ started the work alone and left after working on it for 40 hours. If ‘B’ completed the rest of t...
‘A’ alone can complete a work in 20 hours. ‘A’ started the work alone and left after working on it for 15 hours. If ‘B’ completed the rest of t...
‘A’ alone can complete a work in 50 hours. ‘A’ started the work alone and left after working on it for 20 hours. If ‘B’ completed the rest of t...
‘A’ alone can complete a work in 40 hours. ‘A’ started the work alone and left after working on it for 20 hours. If ‘B’ completed the rest of t...
A man travelled a total distance of 200 km. He travelled first 150 km on car with a speed of 30 km/h and rest of the distance on bike whose speed is 20 km/...
50 men can complete a piece of work in 15 days. 10 men started the same work and worked for 10 days, and then joined by ‘x’ more men such that the rema...
60 men can complete a piece of work in 12 days. 12 men started the same work and worked for 10 days, and then joined by ‘x’ more men such that the rema...
55 men can complete a piece of work in 12 days. 15 men started the same work and worked for 10 days, and then joined by ‘x’ more men such that the rema...
30 men can complete a piece of work in 11 days. 15 men started the same work and worked for 8 days, and then joined by ‘x’ more men such that the remai...
28 men can complete a piece of work in 12 days. 12 men started the same work and worked for 10 days, and then joined by ‘x’ more men such that the rema...
The time taken by ‘A’ to build a wall alone is 50% more than the time taken by him to build it along with ‘B’. ‘B’ will take how much percent m...
Anil and Ashish receive Rs.1200 for work of 8 days. If Anil is 5 times efficient than Ashish, then find the daily wage received by Ashish.
Anil and Ashish receive Rs.1500 for work of 5 days. If Anil is 4 times efficient than Ashish, then find the daily wage received by Ashish.
Anil and Ashish receive Rs.1800 for work of 6 days. If Anil is 3 times efficient than Ashish, then find the daily wage received by Ashish.
Anil and Ashish receive Rs.2000 for work of 10 days. If Anil is 4 times efficient than Ashish, then find the daily wage received by Ashish.
Anil and Ashish receive Rs.2000 for work of 8 days. If Anil is 4 times efficient than Ashish, then find the daily wage received by Ashish.
Anil and Ashish receive Rs.1400 for work of 7 days. If Anil is 4 times efficient than Ashish, then find the daily wage received by Ashish.
Anil and Ashish receive Rs.1600 for work of 8 days. If Anil is 3 times efficient than Ashish, then find the daily wage received by Ashish.
Anil and Ashish receive Rs.2200 for work of 8 days. If Anil is 4 times efficient than Ashish, then find the daily wage received by Ashish.
When 24 men work for only 3 days, 5/6th of work remains unfinished. How much work will remain unfinished if 27 men work for only 2 days?
‘A’ and ‘B’ can complete a certain work in 12 days and 24 days, respectively. They started working together and worked till completion of the work ...
‘A’ and ‘B’ can complete a certain work in 20 days and 10 days, respectively. They started working together and worked till completion of the work ...

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