Time and Work Quiz 1 | Aptitude Online Practice Tests

Q) ‘N’ men can do a piece of work in 21 days working 8 hours each day. The number of days taken by N men is 70% of number of days taken by (N – 1) men, working 6 hours a day. Find in how many days (N + 3) men working ten hours in a day can complete the same work.

Q) A can do a piece of work in 10 days. B can do it in 24 days. If C also works with them then it takes only 6 days to complete the whole work. In how many days C alone can complete the whole work?

Q) A & B together can complete a piece of work in 9 days. Time taken by A alone to complete the same work is 7.5 days less than time taken by B alone to complete the same work. In how many days B alone will complete 𝟐/𝟗 of the work?

Q) B is 20% less efficient than A, who completes a work in 72 days. C alone can complete the same work in 60 days. If all three started working alternatively starting with A and followed by B and C respectively, then find in how many days the work will be completed?

Q) ‘A’ can complete a work in 20 days while B is 25% more efficient than ‘A’. B worked for 6 days and left, remaining work is completed by ‘C’ in 15 days. Find in how many days ‘C’ can complete the whole work alone?

Q) 7 men and 6 women together can complete a piece of work in 8 days and work done by a women in one day is half the work done by a man in one day. If 8 men and 4 women started working and after 3 days 4 men left the work and 4 new women joined then, in how many more days will the work be completed?

Q) ‘A’ can complete a work in 20 days while B is 25% more efficient than ‘A’. B worked for 6 days and left, remaining work is completed by ‘C’ in 15 days. Find in how many days ‘C’ can complete the whole work alone?

Q) A can do a work in 36 days while B can do the same in 48 days. If A work for ‘x’ days while B work for ‘x+2’ days then one-third of the work is complete. Find the value of x.

Q) C is 100% more efficient than B. A alone can complete a piece of work in 9 days and B & C together can complete the same work in 2 2/3 days. Find what portion of work will be completed, if A & B works together for 4 days.

Q) A, B and C together can complete a work in 8 days and A alone can complete the same work in 24 days. If A and B started the work and after 2 days C also joined them, then the remaining work was completed by A, B and C together in 6.80 days. Find in how many days B alone can complete the whole work?