There are 2 red chips and 4 blue ones. When arranged in a row, they form a certain color pattern, for example RBRRB. How many color patterns?
Choose the correct choice from the following answers.
A) A)10 B) B)12 C) C)50 D) D)60 E) E)100
Using anagram method:   6_5_4_3_2_1   R_R_B_B_B_B   so..   6!/Number of repeated letters (2!)(4!) = 10   ANS:100
<result>E</result>
There are 2 red chips and 4 blue ones. When arranged in a row, they form a certain color pattern, for example RBRRB. How many color patterns?