A and B together can finish a work in 30 days. They worked for it for 20 days and then B left the work. The remaining work was done by A alone in 20
days more. In how many days can A alone finish the work?
A and B together can finish a work in 30 days. They worked for it for 20 days and then B left the work. The remaining work was done by A alone in 20
days more. In how many days can A alone finish the work? 1). 48 days
2). 50 days 3). 54 days 4). 60 days