If 7 identical red balls, 12 identical green balls, 3 identical black balls and ' n ' identical yellow balls are to be arranged in a row such that no two balls of the same colour are placed

Question

If 7 identical red balls, 12 identical green balls, 3 identical black balls and ' n ' identical yellow balls are to be arranged in a row such that no two balls of the same colour are placed adjacent to each other. If $n_{L}$ and $n_{M}$ denoted minimum and maximum yellow balls for aforesaid arrangement then

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Answer:

B, C

Solution:

$10 + n_{L} = 11, n_{M} - 1 = 22$

TestHub · Accepted Answer

10 + n L ​ = 11 , n M ​ − 1 = 22

Mathematics - Permutation & Combination Question with Solution | TestHub

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Doubts & Discussion

JEE Advanced (2028)