Time and Work Exam Pattern Mix

A can finish a job in 18 days. After working alone for 6 days he gets B's help, and together they finish it in 4 more days. How long would B alone take?

A, B and C together finish a job in 6 days, and A and B together in 8 days. How long would C alone take?

A is 30% more efficient than B, and together they finish a job in 10 days. How long would B alone take?

A can finish a job in 20 days and B in 30 days. A works 5 days, B works 15 days, and C finishes the job in 5 days. How long would C alone take?

A team can finish a job in 20 days. After 5 days two members fall ill and the team's speed drops by 20%. How many days in all does the job take?

A and B together finish a job in 24 days, and B is half as efficient as A. How long would A alone take?

Ram can finish a project in 20 days and Shyam in 30 days. Ram works only Monday to Friday and Shyam only on Saturday and Sunday. Starting on a Monday, on which day of the project is it finished?

A and B together build one-third of a wall in 4 days, and A alone builds one-fourth of it in 6 days. How long would B alone take?

A and B together finish a job in 15 days, B and C in 20 days, and all three in 12 days. How long would B alone take?

A can finish a job in 9 days, and B takes 50% more time than A. How long will they take together?