For a sports meet, a winners' stand comprising three wooden blocks is in the following form :
There are six different colours available to choose from and each of the three wooden blocks is to be painted such that no two of them has the same colour. In how many different ways can the winners' stand be painted?
(a) 120
(b) 81
(c) 66
(d) 36
Негізгі бет 2018_Qn A62, For a sports meet, a winners' stand comprising three wooden blocks is in the following.
Пікірлер: 5