There are Seven male friends named, A, B, C, D, E, F and G.
Each one of them is either a Lawyer, Doctor, Plumber, Teacher, Retired, Electrician or a Hotelier.
Each one of them cleans their respective homes on either a Monday, Tuesday, Wednesday, Thursday, Friday, Saturday or Sunday.
Each one has a favorite colour amongst Blue, Black, White, Green, Orange, Red or Silver.
Also, it is to be noted that no two friends have the same profession, nor do more than one person likes the same colour and nor do any two or more of them clean their homes on the same day.
Further, its known that the Retired friend is neither D or A or F and his favorite colour is Orange.
The friend who likes Blue is either a Lawyer or cleans his home on a Saturday. The person who likes Saturday is a hotelier and is neither C or D.
B is a Doctor but does not clean his home on Monday or Saturday.
The friend who is a teacher cleans home on Friday and likes Green colour.
The Plumber and the Lawyer do not clean their homes on Saturday or Thursday, also the Hotelier cleans his home on a Saturday.
Electrician's favorite colour is Red but his same is neither G nor E. The person who likes Black definitely cleans his home on Thursday. The Teacher and the Electrician clean their homes on two consecutive days.
G likes Silver and the Doctor does not like White. The Plumber likes White colour and his name is not C.