A washerman can wash 6 trousers or 8 shirts in 1 hour while his wife can wash 6 trousers or 8 shirts in 2 hours. The couple get a work of 160 trousers and 200 shirts to wash. The man and the woman work on alternate hours and for a total of 12 hours daily. Every morning except the first the lady starts the work. If the couple worked for only 5 hours on the first day with the man starting the work at noon, then

1) the man finishes the work on 7th day
2) the
woman finishes the work on 6th day
3) the man finishes
the work on 8th day
4) the woman finishes the work
on 8th day