Book
Maths Puzzle
A box contains 12 black balls, 7 red balls and 6 blue balls. In how many ways can one or more balls be selected?
Read Solution (Total 1)
(13*7*6)-1= 727
8 years ago
Helpfull: Yes(0) No(1)
Book Other Question
A box contains 20 balls. In how many ways can 8 balls be selected if each ball can be repeated any number of times?
A box contains 12 different black balls, 7 different red balls and 6 different blue balls. In how many ways can the balls be selected?