mixed as in consisting of a haphazard assortment of different kinds

• "an arrangement of assorted spring flowers"
• "assorted sizes"
• "miscellaneous accessories"
• "a mixed program of baroque and contemporary music"
• "a motley crew"
• "sundry sciences commonly known as social- I.A.Richards"

Synonyms

• assortedconsisting of a haphazard assortment of different kinds; of many different kinds purposefully arranged but lacking any uniformity
• miscellaneousconsisting of a haphazard assortment of different kinds; having many aspects or qualities
• motleymake something more diverse and varied; make motley; consisting of a haphazard assortment of different kinds; having sections or patches colored differently and usually brightly; a collection containing a variety of sorts of things; a garment made of motley (especially a court jester's costume) ; a multicolored woolen fabric woven of mixed threads in 14th to 17th century England
• sundry(a)

mixed as in involving or composed of different races

• "interracial schools"
• "a mixed neighborhood"

Synonyms

• interracialbetween races; involving or composed of different races