Question

4. A alone can do a piece of work in 12 days and B alone can do the same work in 15 days. They start working together. After 4 days, B leaves the work. In how many days will A alone complete the remaining work?​

Answer 1

ljgfdyigzdtgxcbhysghcshusjxgfsgjvgffffh

Answer 2

a alone can complete the work in 8 days