A and B can together finish a work in 30 days. They worked together for 20 days and then B left. After another 20 days A finished the remaining work. In how many days A alone can finish the job?
A50
B60
C48
D54
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
Two pipes A and B can fill a tank in 15 and 30 minutes respectively. If both the pipes are used together, then how long will it take to fill the tank ?
A and B together can complete a piece of work in 4 days. If A alone can complete the same work in 12 days, in how many days can B alone complete that work?
In a computer game, a builder can build a wall in 20 hours while a destroyer can completely demolish such a wall in 40 hours. In the beginning, both builder and destroyer were set to work together on a basic level. But after 30 hours the destroyer was withdrawn. What was the total time taken to build the wall?
20 buckets of water fill a tank when the capacity of each bucket is 13.5 litres. How many buckets will be required to fill the same tank if the capacity of each bucket is 9 litres?
E and F can do a work in 10 days. If E alone can do it in 30 days, F alone can do it in ____ days.