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WorksheetsMastering Time and Work Concepts
Total questions: 20
Worksheet time: 10mins
If A can complete a work in 10 days and B can do it in 15 days, how long will they take to complete the work together?
10 days
8 days
5 days
6 days
A can do a piece of work in 12 days, while B can do it in 18 days. How long will it take for both A and B to complete the work together?
7.2 days
8 days
10 days
5 days
If a pipe can fill a tank in 6 hours and another pipe can empty it in 8 hours, how long will it take to fill the tank if both pipes are opened together?
30 hours
18 hours
24 hours
12 hours
A can complete a work in 20 days, B in 30 days, and C in 60 days. How long will they take to complete the work together?
10 days
15 days
5 days
25 days
If A can do a work in 15 days and B can do it in 10 days, how much work will they complete together in 5 days?
3/4 of the work
1/2 of the work
5/6 of the work
2/3 of the work
A and B can complete a work in 12 days and 15 days respectively. How long will they take to complete the work if A works alone for 4 days and then B joins?
8.44 days
6 days
12.5 days
10 days
If a tank can be filled by a pipe in 5 hours and emptied by another pipe in 10 hours, how long will it take to fill the tank if both pipes are opened together?
5 hours
15 hours
20 hours
10 hours
A can complete a work in 8 days, B in 12 days, and C in 24 days. If they work together, how long will it take to finish the work?
4 days
10 days
2 days
6 days
If A can do a work in 9 days and B can do it in 6 days, how much work will they complete together in 3 days?
3/4 of the work
1/2 of the work
2/3 of the work
5/6 of the work
A can complete a work in 10 days, B in 15 days, and C in 30 days. If they work together for 5 days, how much of the work is left?
1/4
1/2
1/6
1/3
If a pipe can fill a tank in 4 hours and another pipe can fill it in 6 hours, how long will it take to fill the tank if both pipes are opened together?
5 hours
2.4 hours
1.5 hours
3 hours
A can do a work in 25 days, B in 30 days, and C in 50 days. How long will they take to complete the work together?
15 days
20 days
12 days
10.71 days
If A can complete a work in 18 days and B can do it in 24 days, how long will it take for both A and B to complete the work together?
12 days
15 days
10.29 days
8 days
A and B can complete a work in 10 days and 15 days respectively. How long will it take for them to complete the work if A works alone for 3 days?
4.2 days
6 days
5 days
3 days
If a tank can be filled by a pipe in 3 hours and emptied by another pipe in 5 hours, how long will it take to fill the tank if both pipes are opened together?
10 hours
5 hours
7.5 hours
4 hours
A can complete a work in 14 days, B in 21 days, and C in 42 days. If they work together, how long will it take to finish the work?
7 days
5 days
14 days
10 days
If A can do a work in 12 days and B can do it in 16 days, how much work will they complete together in 4 days?
2/3
7/12
5/12
1/2
A can complete a work in 20 days, B in 25 days, and C in 30 days. If they work together for 10 days, how much of the work is left?
1/2
1/3
1/4
1/6
If a pipe can fill a tank in 8 hours and another pipe can fill it in 12 hours, how long will it take to fill the tank if both pipes are opened together?
4.8 hours
6.4 hours
5 hours
3.2 hours
A can do a work in 15 days, B in 20 days, and C in 30 days. How long will they take to complete the work together?
10 days
5 days
8 days
6.67 days
