There were 5857 students in a school last year. This year 420 students joined kindergarten and 403 students passed out and joined college. Also, 292 students were transferred to other schools, and 449 students were transferred from other schools. How many students are there in the school now?
Barbara started a book club in her school. In the first week she recruited two members for the club. From the second week, each new member recruited in the previous week recruited two new members each. How many members are there in the club after 6 weeks including Barbara?