Q1. A and B can do a piece of work in 3 days B and C in 4 days C and A in 6 days How long will C take to do it

Q2. A project manager hired 15 men to complete a project in 40 days However after 30 days he realized that only 1 2 of the work is completed How many more men does he need to hire to complete the project on time

Q3. If 40 people can make 60 toys in 8 hrs if 8 people leave the work how many toys can make in 12 hrs

Q4. A alone can complete a work in 5 days more than A B together and B alone can complete a work in 45 days more than A B together Then in how many days A and B together can complete the work

Q5. How much time a tank would take to be filled by 3 pipes which diameters are 2 cm 3 cm and 4 cm running together when the largest pipe alone takes 58 minutes time to fill the tank Note The amount of water flowing in each pipe is proportional to the square of its diameter