List of top General Aptitude Questions on Time and Work

A and B can complete a task in the ratio 3:2. If together they complete the task in 20 days, how long will A alone take?
If 5 workers can complete a job in 12 days, how long will 8 workers take to complete the same job (assuming all work at the same rate)?
A can complete a job in 12 days and B in 15 days. They work together for 5 days, and then A leaves. How many more days will B take to finish the remaining work?
A and B together can complete a task in 10 days. A alone can finish it in 15 days. In how many days can B alone finish the work?
P and Q can complete a job in 24 days working together. P can alone complete it in 32 days. Both of them worked together for 8 days and then P left. The number of days Q will take to complete the remaining job is:
A and B can do a work in 12 days and 15 days respectively. How long will they take to complete the work if they work together?
A man can complete a job in 12 days. How many days will it take for 3 men to complete the same job, assuming they work at the same rate?
Two pipes can fill a tank in 20 hours and 30 hours respectively. A third pipe empties the tank in 15 hours. If all three pipes work together, how long will it take to fill the tank?
A tap can fill a tank in 6 hours. After half the tank is filled, three more similar taps are opened. What is the total time taken to fill the tank completely?
Aman can do 50% of the job in 16 days, and Bhanu can do 25% of the job in 24 days. In how many days can they do 1/4 of the job working together?
Which of the following statements about a relation \( R \) in first normal form (1NF) is/are TRUE?