There are two identical red, two identical black and two identical white balls. In how many different ways can the bal

### Question Asked by a Student from EXXAMM.com Team

Q 2443234143.     There are two identical red, two identical black and
two identical white balls. In how many different ways
can the balls be placed in the cells (each cell to contain
one ball) shown below such that balls of the same
colour do not occupy any two consecutive cells?
IAS 2008 Prelims
A

15

B

18

C

24

D

30

#### HINT

(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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