3 questions on Rates and Proportion!

1. A container can feed 1000 rats for 20 days. How many containers does it take to feed 550 rats for 400 days ?

2. Tap A fill tank in 6mins, Tap B fill in 9mins. Pipe C empty the tank in 15mins, what is the time taken to fill up the tank when the 2 taps and pipe are in the tank ?

3. A company is to paint 3000 metre in 30 days. The boss hires 50 men and they work 8hrs per day. After 20 days, 1200m is completed. How many more men does the boss have to employ to complete on time if each man work 10 hours per day ?

Question

3 questions on Rates and Proportion!

1. A container can feed 1000 rats for 20 days. How many containers does it take to feed 550 rats for 400 days ?

2. Tap A fill tank in 6mins, Tap B fill in 9mins. Pipe C empty the tank in 15mins, what is the time taken to fill up the tank when the 2 taps and pipe are in the tank ?

3. A company is to paint 3000 metre in 30 days. The boss hires 50 men and they work 8hrs per day. After 20 days, 1200m is completed. How many more men does the boss have to employ to complete on time if each man work 10 hours per day ?

one098 · Answer

Would you mind closing this one and asking one at a time? I'll help you with all of them.