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Why the total number of ways …

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Why the total number of ways of choosing 2 red balls from 6 red balls is not 1 as all the balls are similar , as choosing any two balls in first round will not appear different when choosing two balls again in second round?

Posted by Shashwat Tripathi 6 years, 6 months ago

CBSE > Class 11 > Mathematics

1 answers

Rahul Poddar 6 years, 6 months ago

In 1st round 6C2 and In the 2nd round we consider both ball as one so, 5C1, no of arrangement=6C2×5C1=15×5=75ways

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CBSE > Class 11 > Mathematics