Question

Gita can do a piece of work in 105 days. She works at it for 15 days and then Priyanka alone finishes the work in 48 days. In how many
days they together could have completed the work?​

Answer 1

Step-by-step explanation:

in 1day gita can do work = 1/105

both Gita and Priyanka can do work in= 1÷ (1/15+ 1/48)

= 1÷ (21/240)

=240/21 days