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The Brainliest Answer!
2014-09-21T18:30:28+05:30
5 BLACK BALLS & 3 RED BALLS So, add 5 black balls and 3 red balls ( given that arrangements are madr by taking both coloured balls) 5+3= 8 and 5 black balls repeated and 3 red balls repeated. so, 8! /3!×5! = 40,320/ 720 = 56. No arrangements are 56
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